Journal of Biomedical Engineering

Elsevier
Elsevier
ISSN: 01415425
Cobalt
Journal publications in Cobalt

Are you a researcher?

Create a profile to get free access to personal recommendations for colleagues and new articles.
journal names
Journal of Biomedical Engineering
All time from 2020
Publications
1 492
Citations
15 701
h-index
57
Top-3 citing journals
Top-3 organizations
University of Oxford
University of Oxford (24 publications)
University of Strathclyde
University of Strathclyde (20 publications)
Imperial College London
Imperial College London (15 publications)
Top-3 countries
United Kingdom (454 publications)
USA (118 publications)
Canada (56 publications)

Most cited in 5 years

Found 0
By date By citations
from 3 chars
By date
By citations
Copy link
Publications found: 0

Top-100

Citing journals

100
200
300
400
500
600
Journal of Biomechanics
Journal of Biomechanics, 532, 3.39%
Medical Engineering and Physics
Medical Engineering and Physics, 423, 2.69%
Journal of Biomedical Engineering
Journal of Biomedical Engineering, 358, 2.28%
Medical and Biological Engineering and Computing
Medical and Biological Engineering and Computing, 338, 2.15%
IEEE Transactions on Biomedical Engineering
IEEE Transactions on Biomedical Engineering, 301, 1.92%
Clinical Biomechanics
Clinical Biomechanics, 253, 1.61%
Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine
Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 198, 1.26%
Gait and Posture
Gait and Posture, 191, 1.22%
Journal of Biomechanical Engineering
Journal of Biomechanical Engineering, 149, 0.95%
Spine
Spine, 98, 0.62%
Journal of Orthopaedic Research
Journal of Orthopaedic Research, 98, 0.62%
Archives of Physical Medicine and Rehabilitation
Archives of Physical Medicine and Rehabilitation, 97, 0.62%
Physiological Measurement
Physiological Measurement, 96, 0.61%
Annals of Biomedical Engineering
Annals of Biomedical Engineering, 91, 0.58%
Biomaterials
Biomaterials, 85, 0.54%
IEEE Transactions on Neural Systems and Rehabilitation Engineering
IEEE Transactions on Neural Systems and Rehabilitation Engineering, 85, 0.54%
Computer Methods in Biomechanics and Biomedical Engineering
Computer Methods in Biomechanics and Biomedical Engineering, 85, 0.54%
IEEE Transactions on Rehabilitation Engineering
IEEE Transactions on Rehabilitation Engineering, 82, 0.52%
Journal of Medical Engineering and Technology
Journal of Medical Engineering and Technology, 81, 0.52%
Sensors
Sensors, 80, 0.51%
Computer Methods and Programs in Biomedicine
Computer Methods and Programs in Biomedicine, 76, 0.48%
Journal of Biomedical Materials Research
Journal of Biomedical Materials Research, 73, 0.46%
Prosthetics and Orthotics International
Prosthetics and Orthotics International, 66, 0.42%
Journal of Electromyography and Kinesiology
Journal of Electromyography and Kinesiology, 59, 0.38%
Ultrasound in Medicine and Biology
Ultrasound in Medicine and Biology, 58, 0.37%
Artificial Organs
Artificial Organs, 57, 0.36%
Computers in Biology and Medicine
Computers in Biology and Medicine, 57, 0.36%
PLoS ONE
PLoS ONE, 57, 0.36%
Diabetes Technology and Therapeutics
Diabetes Technology and Therapeutics, 51, 0.32%
IEEE Engineering in Medicine and Biology Magazine
IEEE Engineering in Medicine and Biology Magazine, 51, 0.32%
Journal of Arthroplasty
Journal of Arthroplasty, 50, 0.32%
Lecture Notes in Computer Science
Lecture Notes in Computer Science, 49, 0.31%
Foot
Foot, 49, 0.31%
Biomedical Signal Processing and Control
Biomedical Signal Processing and Control, 49, 0.31%
Clinical Orthopaedics and Related Research
Clinical Orthopaedics and Related Research, 47, 0.3%
Spinal Cord
Spinal Cord, 45, 0.29%
Journal of Mechanics in Medicine and Biology
Journal of Mechanics in Medicine and Biology, 44, 0.28%
Clinical Rehabilitation
Clinical Rehabilitation, 44, 0.28%
Scientific Reports
Scientific Reports, 43, 0.27%
Journal of the Mechanical Behavior of Biomedical Materials
Journal of the Mechanical Behavior of Biomedical Materials, 43, 0.27%
Ergonomics
Ergonomics, 40, 0.25%
International Journal of Artificial Organs
International Journal of Artificial Organs, 40, 0.25%
Foot and Ankle International
Foot and Ankle International, 38, 0.24%
IFAC Proceedings Volumes
IFAC Proceedings Volumes, 38, 0.24%
American Journal of Sports Medicine
American Journal of Sports Medicine, 37, 0.24%
Journal of Bone and Joint Surgery - Series A
Journal of Bone and Joint Surgery - Series A, 37, 0.24%
Journal of diabetes science and technology
Journal of diabetes science and technology, 37, 0.24%
Journal of NeuroEngineering and Rehabilitation
Journal of NeuroEngineering and Rehabilitation, 36, 0.23%
BJOG: An International Journal of Obstetrics and Gynaecology
BJOG: An International Journal of Obstetrics and Gynaecology, 36, 0.23%
Bone
Bone, 36, 0.23%
Knee
Knee, 35, 0.22%
Knee Surgery, Sports Traumatology, Arthroscopy
Knee Surgery, Sports Traumatology, Arthroscopy, 34, 0.22%
Journal of Materials Science: Materials in Medicine
Journal of Materials Science: Materials in Medicine, 32, 0.2%
Human Movement Science
Human Movement Science, 32, 0.2%
American Journal of Orthodontics and Dentofacial Orthopedics
American Journal of Orthodontics and Dentofacial Orthopedics, 31, 0.2%
Journal of Neuroscience Methods
Journal of Neuroscience Methods, 31, 0.2%
Journal of Orofacial Orthopedics
Journal of Orofacial Orthopedics, 31, 0.2%
Physics in Medicine and Biology
Physics in Medicine and Biology, 30, 0.19%
Journal of Applied Physiology
Journal of Applied Physiology, 29, 0.18%
Clinical Physics and Physiological Measurement
Clinical Physics and Physiological Measurement, 28, 0.18%
Journal of Neural Engineering
Journal of Neural Engineering, 26, 0.17%
Journal of Biomedical Materials Research - Part A
Journal of Biomedical Materials Research - Part A, 26, 0.17%
International Journal for Numerical Methods in Biomedical Engineering
International Journal for Numerical Methods in Biomedical Engineering, 26, 0.17%
Applied Ergonomics
Applied Ergonomics, 25, 0.16%
Acta Orthopaedica Scandinavica
Acta Orthopaedica Scandinavica, 25, 0.16%
Measurement Science and Technology
Measurement Science and Technology, 24, 0.15%
Biosensors and Bioelectronics
Biosensors and Bioelectronics, 24, 0.15%
BioMedical Engineering Online
BioMedical Engineering Online, 23, 0.15%
Journal of Applied Biomechanics
Journal of Applied Biomechanics, 23, 0.15%
Injury
Injury, 23, 0.15%
Clinical Materials
Clinical Materials, 23, 0.15%
International Journal of Industrial Ergonomics
International Journal of Industrial Ergonomics, 22, 0.14%
Archives of Orthopaedic and Trauma Surgery
Archives of Orthopaedic and Trauma Surgery, 20, 0.13%
Artificial Intelligence in Medicine
Artificial Intelligence in Medicine, 20, 0.13%
Orthopedics
Orthopedics, 20, 0.13%
ASAIO Journal
ASAIO Journal, 20, 0.13%
Biomechanics and Modeling in Mechanobiology
Biomechanics and Modeling in Mechanobiology, 20, 0.13%
Journal of Biomedical Materials Research - Part B Applied Biomaterials
Journal of Biomedical Materials Research - Part B Applied Biomaterials, 20, 0.13%
Assistive Technology
Assistive Technology, 20, 0.13%
Applied Sciences (Switzerland)
Applied Sciences (Switzerland), 20, 0.13%
Bioengineering
Bioengineering, 20, 0.13%
Journal of Perinatal Medicine
Journal of Perinatal Medicine, 20, 0.13%
IEEE Access
IEEE Access, 20, 0.13%
European Spine Journal
European Spine Journal, 19, 0.12%
IEEE Sensors Journal
IEEE Sensors Journal, 19, 0.12%
BMC Musculoskeletal Disorders
BMC Musculoskeletal Disorders, 19, 0.12%
European Journal of Applied Physiology
European Journal of Applied Physiology, 19, 0.12%
American Journal of Obstetrics and Gynecology
American Journal of Obstetrics and Gynecology, 18, 0.11%
Physiotherapy
Physiotherapy, 18, 0.11%
Journal of Tissue Viability, 18, 0.11%
Muscle and Nerve
Muscle and Nerve, 18, 0.11%
Burns
Burns, 18, 0.11%
Methods of Information in Medicine
Methods of Information in Medicine, 18, 0.11%
Journal of Theoretical Biology
Journal of Theoretical Biology, 18, 0.11%
Journal of the American College of Cardiology
Journal of the American College of Cardiology, 18, 0.11%
Sensors and Actuators, B: Chemical
Sensors and Actuators, B: Chemical, 18, 0.11%
British Journal of Radiology
British Journal of Radiology, 18, 0.11%
Journal of the Acoustical Society of America
Journal of the Acoustical Society of America, 17, 0.11%
Journal of Physics: Conference Series
Journal of Physics: Conference Series, 17, 0.11%
Ultrasonics
Ultrasonics, 17, 0.11%
Show all (70 more)
100
200
300
400
500
600

Citing publishers

500
1000
1500
2000
2500
3000
3500
4000
4500
5000
Elsevier
Elsevier, 4867, 31%
Springer Nature
Springer Nature, 1811, 11.53%
Institute of Electrical and Electronics Engineers (IEEE)
Institute of Electrical and Electronics Engineers (IEEE), 1283, 8.17%
Wiley
Wiley, 1231, 7.84%
Taylor & Francis
Taylor & Francis, 691, 4.4%
SAGE
SAGE, 689, 4.39%
Ovid Technologies (Wolters Kluwer Health)
Ovid Technologies (Wolters Kluwer Health), 467, 2.97%
IOP Publishing
IOP Publishing, 282, 1.8%
MDPI
MDPI, 266, 1.69%
ASME International
ASME International, 182, 1.16%
World Scientific
World Scientific, 101, 0.64%
Mary Ann Liebert
Mary Ann Liebert, 87, 0.55%
Georg Thieme Verlag KG
Georg Thieme Verlag KG, 82, 0.52%
American Physiological Society
American Physiological Society, 82, 0.52%
Frontiers Media S.A.
Frontiers Media S.A., 77, 0.49%
Walter de Gruyter
Walter de Gruyter, 68, 0.43%
Oxford University Press
Oxford University Press, 67, 0.43%
Public Library of Science (PLoS)
Public Library of Science (PLoS), 66, 0.42%
Cambridge University Press
Cambridge University Press, 62, 0.39%
Hindawi Limited
Hindawi Limited, 56, 0.36%
BMJ
BMJ, 48, 0.31%
American Chemical Society (ACS)
American Chemical Society (ACS), 45, 0.29%
AIP Publishing
AIP Publishing, 43, 0.27%
European Society for Artificial Organs (ESAO)
European Society for Artificial Organs (ESAO), 40, 0.25%
Diabetes Technology Society
Diabetes Technology Society, 38, 0.24%
SPIE-Intl Soc Optical Eng
SPIE-Intl Soc Optical Eng, 31, 0.2%
Trans Tech Publications
Trans Tech Publications, 29, 0.18%
Human Kinetics
Human Kinetics, 29, 0.18%
IOS Press
IOS Press, 28, 0.18%
Optica Publishing Group
Optica Publishing Group, 28, 0.18%
The Royal Society
The Royal Society, 27, 0.17%
Mark Allen Group, 26, 0.17%
Cold Spring Harbor Laboratory
Cold Spring Harbor Laboratory, 25, 0.16%
SLACK
SLACK, 24, 0.15%
Emerald
Emerald, 21, 0.13%
British Editorial Society of Bone and Joint Surgery, 21, 0.13%
Institution of Engineering and Technology (IET)
Institution of Engineering and Technology (IET), 20, 0.13%
Annual Reviews
Annual Reviews, 20, 0.13%
Royal Society of Chemistry (RSC)
Royal Society of Chemistry (RSC), 19, 0.12%
ifmbe proceedings, 19, 0.12%
Sports Physical Therapy Section, 19, 0.12%
Acoustical Society of America (ASA)
Acoustical Society of America (ASA), 18, 0.11%
Tissue Viability Society, 18, 0.11%
British Institute of Radiology
British Institute of Radiology, 18, 0.11%
Association for Computing Machinery (ACM)
Association for Computing Machinery (ACM), 16, 0.1%
The Society of Physical Therapy Science, 14, 0.09%
IGI Global
IGI Global, 14, 0.09%
, 13, 0.08%
Japan Society of Mechanical Engineers
Japan Society of Mechanical Engineers, 12, 0.08%
SciELO
SciELO, 12, 0.08%
Korean Society of Mechanical Engineers, 11, 0.07%
The Company of Biologists
The Company of Biologists, 10, 0.06%
, 10, 0.06%
XMLink, 9, 0.06%
Pleiades Publishing
Pleiades Publishing, 8, 0.05%
Japan Society of Applied Physics
Japan Society of Applied Physics, 8, 0.05%
PeerJ
PeerJ, 8, 0.05%
The Korean Society of Precision Engineering, 8, 0.05%
S. Karger AG
S. Karger AG, 8, 0.05%
Bentham Science Publishers Ltd.
Bentham Science Publishers Ltd., 7, 0.04%
EDP Sciences
EDP Sciences, 7, 0.04%
Hong Kong Physiotherapy Association, 7, 0.04%
Journal of Neurosurgery Publishing Group (JNSPG), 7, 0.04%
, 7, 0.04%
European Hip Society
European Hip Society, 7, 0.04%
Society of Biomechanisms Japan, 7, 0.04%
Allen Press, 6, 0.04%
American Physical Society (APS)
American Physical Society (APS), 6, 0.04%
American Society of Echocardiography
American Society of Echocardiography, 6, 0.04%
Radiological Society of North America (RSNA)
Radiological Society of North America (RSNA), 6, 0.04%
American Podiatric Medical Association, 6, 0.04%
Scientific Research Publishing
Scientific Research Publishing, 6, 0.04%
Baishideng Publishing Group
Baishideng Publishing Group, 6, 0.04%
SAE International
SAE International, 6, 0.04%
The Ergonomics Society of Korea, 6, 0.04%
Korean Society of Sport Biomechanics, 6, 0.04%
American Institute of Aeronautics and Astronautics (AIAA)
American Institute of Aeronautics and Astronautics (AIAA), 5, 0.03%
Eco-Vector LLC
Eco-Vector LLC, 5, 0.03%
Canadian Science Publishing
Canadian Science Publishing, 5, 0.03%
The Japanese Circulation Society
The Japanese Circulation Society, 5, 0.03%
Portico, 5, 0.03%
Journal of Rehabilitation Research & Development, 5, 0.03%
ASTM International
ASTM International, 5, 0.03%
Jaypee Brothers Medical Publishing, 5, 0.03%
IntechOpen, 5, 0.03%
The Korean Society of Physical Medicine, 5, 0.03%
American Veterinary Medical Association
American Veterinary Medical Association, 4, 0.03%
Science Alert, 4, 0.03%
, 3, 0.02%
Proceedings of the National Academy of Sciences (PNAS)
Proceedings of the National Academy of Sciences (PNAS), 3, 0.02%
Institute of Mathematical Statistics
Institute of Mathematical Statistics, 3, 0.02%
American Society for Biochemistry and Molecular Biology
American Society for Biochemistry and Molecular Biology, 3, 0.02%
Korean Orthopaedic Association, 3, 0.02%
Tech Science Press, 3, 0.02%
Japan Ergonomics Society, 3, 0.02%
European Control Association
European Control Association, 3, 0.02%
Rockefeller University Press
Rockefeller University Press, 2, 0.01%
American Association for the Advancement of Science (AAAS)
American Association for the Advancement of Science (AAAS), 2, 0.01%
American Diabetes Association
American Diabetes Association, 2, 0.01%
, 2, 0.01%
Show all (70 more)
500
1000
1500
2000
2500
3000
3500
4000
4500
5000

Publishing organizations

5
10
15
20
25
University of Oxford
University of Oxford, 24, 1.61%
University of Strathclyde
University of Strathclyde, 20, 1.34%
Imperial College London
Imperial College London, 15, 1.01%
Nottingham University Hospitals NHS Trust
Nottingham University Hospitals NHS Trust, 14, 0.94%
Queen's University at Kingston
Queen's University at Kingston, 14, 0.94%
University of Aberdeen
University of Aberdeen, 13, 0.87%
Technion – Israel Institute of Technology
Technion – Israel Institute of Technology, 12, 0.8%
Queen Mary University of London
Queen Mary University of London, 12, 0.8%
University of Cambridge
University of Cambridge, 11, 0.74%
Tel Aviv University
Tel Aviv University, 9, 0.6%
Polytechnic University of Milan
Polytechnic University of Milan, 9, 0.6%
University College London
University College London, 9, 0.6%
University of Birmingham
University of Birmingham, 9, 0.6%
Clinical Physiology Institute
Clinical Physiology Institute, 9, 0.6%
University of Ljubljana
University of Ljubljana, 9, 0.6%
University of Gothenburg
University of Gothenburg, 8, 0.54%
University of Manchester
University of Manchester, 8, 0.54%
University of Southampton
University of Southampton, 8, 0.54%
University of Leeds
University of Leeds, 8, 0.54%
University of Sheffield
University of Sheffield, 8, 0.54%
University of Sussex
University of Sussex, 8, 0.54%
University of Salford
University of Salford, 8, 0.54%
University of Liverpool
University of Liverpool, 7, 0.47%
University of Nottingham
University of Nottingham, 7, 0.47%
University of Pisa
University of Pisa, 7, 0.47%
University of Bradford
University of Bradford, 7, 0.47%
Newcastle University
Newcastle University, 6, 0.4%
Trinity College Dublin
Trinity College Dublin, 6, 0.4%
Vrije Universiteit Amsterdam
Vrije Universiteit Amsterdam, 6, 0.4%
University of Bath
University of Bath, 6, 0.4%
University of Calcutta
University of Calcutta, 5, 0.34%
Katholieke Universiteit Leuven
Katholieke Universiteit Leuven, 5, 0.34%
Chalmers University of Technology
Chalmers University of Technology, 5, 0.34%
University of Naples Federico II
University of Naples Federico II, 5, 0.34%
University of Bologna
University of Bologna, 5, 0.34%
Brunel University London
Brunel University London, 5, 0.34%
City, University of London
City, University of London, 5, 0.34%
University of Siena
University of Siena, 5, 0.34%
University of Glasgow
University of Glasgow, 5, 0.34%
University of California, San Francisco
University of California, San Francisco, 5, 0.34%
Paris Cité University
Paris Cité University, 5, 0.34%
Cardiff University
Cardiff University, 5, 0.34%
Saga University
Saga University, 5, 0.34%
University of Toronto
University of Toronto, 5, 0.34%
Wright State University
Wright State University, 5, 0.34%
Lund University
Lund University, 4, 0.27%
Delft University of Technology
Delft University of Technology, 4, 0.27%
University of Eastern Finland
University of Eastern Finland, 4, 0.27%
University of Turin
University of Turin, 4, 0.27%
University of Bergen
University of Bergen, 4, 0.27%
University of Padua
University of Padua, 4, 0.27%
University of Florence
University of Florence, 4, 0.27%
Dalhousie University
Dalhousie University, 4, 0.27%
University of California, Berkeley
University of California, Berkeley, 4, 0.27%
National and Kapodistrian University of Athens
National and Kapodistrian University of Athens, 4, 0.27%
Graz University of Technology
Graz University of Technology, 4, 0.27%
McGill University
McGill University, 4, 0.27%
University of Vienna
University of Vienna, 4, 0.27%
University of Leicester
University of Leicester, 4, 0.27%
Ben-Gurion University of the Negev
Ben-Gurion University of the Negev, 3, 0.2%
University of Twente
University of Twente, 3, 0.2%
Loewenstein Hospital Rehabilitation Center
Loewenstein Hospital Rehabilitation Center, 3, 0.2%
Eindhoven University of Technology
Eindhoven University of Technology, 3, 0.2%
Geneva University Hospitals
Geneva University Hospitals, 3, 0.2%
Aston University
Aston University, 3, 0.2%
University of Dundee
University of Dundee, 3, 0.2%
University of Oslo
University of Oslo, 3, 0.2%
University of Edinburgh
University of Edinburgh, 3, 0.2%
National University of Singapore
National University of Singapore, 3, 0.2%
National Cheng Kung University
National Cheng Kung University, 3, 0.2%
University of Sydney
University of Sydney, 3, 0.2%
Stanford University
Stanford University, 3, 0.2%
University of Hong Kong
University of Hong Kong, 3, 0.2%
Ohio State University
Ohio State University, 3, 0.2%
Technical University of Berlin
Technical University of Berlin, 3, 0.2%
University of California, San Diego
University of California, San Diego, 3, 0.2%
Illinois Institute of Technology
Illinois Institute of Technology, 3, 0.2%
Kyoto University
Kyoto University, 3, 0.2%
University of Bristol
University of Bristol, 3, 0.2%
University of Illinois Urbana-Champaign
University of Illinois Urbana-Champaign, 3, 0.2%
McMaster University
McMaster University, 3, 0.2%
Hamburg University
Hamburg University, 3, 0.2%
Utrecht University
Utrecht University, 3, 0.2%
University of Amsterdam
University of Amsterdam, 3, 0.2%
Erasmus University Rotterdam
Erasmus University Rotterdam, 3, 0.2%
Western University
Western University, 3, 0.2%
University of Alberta
University of Alberta, 3, 0.2%
University of Santiago de Compostela
University of Santiago de Compostela, 3, 0.2%
University of Exeter
University of Exeter, 3, 0.2%
Louisiana State University
Louisiana State University, 3, 0.2%
Polytechnique Montréal
Polytechnique Montréal, 3, 0.2%
University of Surrey
University of Surrey, 3, 0.2%
University of Ulster
University of Ulster, 3, 0.2%
Middle East Technical University
Middle East Technical University, 2, 0.13%
Indian Institute of Science
Indian Institute of Science, 2, 0.13%
Indian Institute of Technology Delhi
Indian Institute of Technology Delhi, 2, 0.13%
Osmania University
Osmania University, 2, 0.13%
Zhejiang University
Zhejiang University, 2, 0.13%
Universitair Ziekenhuis Leuven
Universitair Ziekenhuis Leuven, 2, 0.13%
Karolinska Institute
Karolinska Institute, 2, 0.13%
Show all (70 more)
5
10
15
20
25

Publishing countries

50
100
150
200
250
300
350
400
450
500
United Kingdom, 454, 30.43%
USA, 118, 7.91%
Canada, 56, 3.75%
Italy, 47, 3.15%
France, 39, 2.61%
Netherlands, 25, 1.68%
Germany, 24, 1.61%
Israel, 24, 1.61%
Sweden, 23, 1.54%
China, 22, 1.47%
India, 22, 1.47%
Japan, 20, 1.34%
Argentina, 14, 0.94%
Austria, 12, 0.8%
Australia, 11, 0.74%
Slovenia, 9, 0.6%
Switzerland, 9, 0.6%
Belgium, 8, 0.54%
Ireland, 8, 0.54%
Spain, 8, 0.54%
Norway, 8, 0.54%
Yugoslavia, 7, 0.47%
Greece, 6, 0.4%
Finland, 6, 0.4%
Singapore, 5, 0.34%
Iraq, 4, 0.27%
Algeria, 3, 0.2%
Denmark, 3, 0.2%
Turkey, 3, 0.2%
Hungary, 2, 0.13%
Kuwait, 2, 0.13%
Poland, 2, 0.13%
Romania, 2, 0.13%
Saudi Arabia, 2, 0.13%
Czech Republic, 2, 0.13%
South Africa, 2, 0.13%
Czechoslovakia, 2, 0.13%
Russia, 1, 0.07%
Bahrain, 1, 0.07%
Venezuela, 1, 0.07%
Jordan, 1, 0.07%
Mexico, 1, 0.07%
New Zealand, 1, 0.07%
UAE, 1, 0.07%
Republic of Korea, 1, 0.07%
Serbia, 1, 0.07%
USSR, 1, 0.07%
Show all (17 more)
50
100
150
200
250
300
350
400
450
500