University of Calabar

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Short name

UNICAL

Country, city

Nigeria, Calabar

05qderh61

Organization website

Publications

4 221

Citations

51 477

h-index

Top-3 journals

SSRN Electronic Journal (134 publications)

Calabar Journal of Health Sciences (54 publications)

Cochrane Database of Systematic Reviews (52 publications)

Top-3 organizations

University of Uyo (253 publications)

University of Nigeria (242 publications)

University of Ibadan (180 publications)

Top-3 foreign organizations

University of Johannesburg (139 publications)

London School of Hygiene & Tropical Medicine (73 publications)

University of KwaZulu-Natal (69 publications)

Most cited in 5 years

Found

Publication title

Publisher

Journal

Countries

Found

Since 1977

Total publications

4221

Total citations

51477

Citations per publication

12.2

Average publications per year

84.42

Average authors per publication

6.21

h-index

Metrics description

h-index

A scientist has an h-index if h of his N publications are cited at least h times each, while the remaining (N - h) publications are cited no more than h times each.

https://www.pnas.org/doi/full/10.1073/pnas.0507655102

Top-30

Fields of science

	100 200 300 400 500 600
General Medicine	General Medicine, 598, 14.17% General Medicine 598 publications, 14.17%
Public Health, Environmental and Occupational Health	Public Health, Environmental and Occupational Health, 219, 5.19% Public Health, Environmental and Occupational Health 219 publications, 5.19%
Infectious Diseases	Infectious Diseases, 167, 3.96% Infectious Diseases 167 publications, 3.96%
Physical and Theoretical Chemistry	Physical and Theoretical Chemistry, 139, 3.29% Physical and Theoretical Chemistry 139 publications, 3.29%
Condensed Matter Physics	Condensed Matter Physics, 132, 3.13% Condensed Matter Physics 132 publications, 3.13%
General Chemistry	General Chemistry, 127, 3.01% General Chemistry 127 publications, 3.01%
General Materials Science	General Materials Science, 116, 2.75% General Materials Science 116 publications, 2.75%
Biochemistry	Biochemistry, 114, 2.7% Biochemistry 114 publications, 2.7%
Food Science	Food Science, 112, 2.65% Food Science 112 publications, 2.65%
Multidisciplinary	Multidisciplinary, 108, 2.56% Multidisciplinary 108 publications, 2.56%
Agronomy and Crop Science	Agronomy and Crop Science, 105, 2.49% Agronomy and Crop Science 105 publications, 2.49%
General Environmental Science	General Environmental Science, 102, 2.42% General Environmental Science 102 publications, 2.42%
Materials Chemistry	Materials Chemistry, 101, 2.39% Materials Chemistry 101 publications, 2.39%
Pollution	Pollution, 99, 2.35% Pollution 99 publications, 2.35%
Pharmacology	Pharmacology, 98, 2.32% Pharmacology 98 publications, 2.32%
Environmental Chemistry	Environmental Chemistry, 93, 2.2% Environmental Chemistry 93 publications, 2.2%
Geology	Geology, 93, 2.2% Geology 93 publications, 2.2%
Pharmacology (medical)	Pharmacology (medical), 91, 2.16% Pharmacology (medical) 91 publications, 2.16%
Organic Chemistry	Organic Chemistry, 89, 2.11% Organic Chemistry 89 publications, 2.11%
Inorganic Chemistry	Inorganic Chemistry, 82, 1.94% Inorganic Chemistry 82 publications, 1.94%
Plant Science	Plant Science, 82, 1.94% Plant Science 82 publications, 1.94%
General Earth and Planetary Sciences	General Earth and Planetary Sciences, 80, 1.9% General Earth and Planetary Sciences 80 publications, 1.9%
Health, Toxicology and Mutagenesis	Health, Toxicology and Mutagenesis, 77, 1.82% Health, Toxicology and Mutagenesis 77 publications, 1.82%
Geography, Planning and Development	Geography, Planning and Development, 77, 1.82% Geography, Planning and Development 77 publications, 1.82%
Analytical Chemistry	Analytical Chemistry, 74, 1.75% Analytical Chemistry 74 publications, 1.75%
Water Science and Technology	Water Science and Technology, 74, 1.75% Water Science and Technology 74 publications, 1.75%
Education	Education, 74, 1.75% Education 74 publications, 1.75%
General Chemical Engineering	General Chemical Engineering, 69, 1.63% General Chemical Engineering 69 publications, 1.63%
Electronic, Optical and Magnetic Materials	Electronic, Optical and Magnetic Materials, 66, 1.56% Electronic, Optical and Magnetic Materials 66 publications, 1.56%
Drug Discovery	Drug Discovery, 63, 1.49% Drug Discovery 63 publications, 1.49%
	100 200 300 400 500 600

Journals

	20 40 60 80 100 120 140
SSRN Electronic Journal	SSRN Electronic Journal, 134, 3.17% SSRN Electronic Journal 134 publications, 3.17%
Calabar Journal of Health Sciences	Calabar Journal of Health Sciences, 54, 1.28% Calabar Journal of Health Sciences 54 publications, 1.28%
Cochrane Database of Systematic Reviews	Cochrane Database of Systematic Reviews, 52, 1.23% Cochrane Database of Systematic Reviews 52 publications, 1.23%
Heliyon	Heliyon, 47, 1.11% Heliyon 47 publications, 1.11%
PLoS ONE	PLoS ONE, 38, 0.9% PLoS ONE 38 publications, 0.9%
Journal of Molecular Structure	Journal of Molecular Structure, 34, 0.81% Journal of Molecular Structure 34 publications, 0.81%
Chemical Physics Impact	Chemical Physics Impact, 33, 0.78% Chemical Physics Impact 33 publications, 0.78%
Geo Journal	Geo Journal, 32, 0.76% Geo Journal 32 publications, 0.76%
Tropical Doctor	Tropical Doctor, 28, 0.66% Tropical Doctor 28 publications, 0.66%
Food Chemistry	Food Chemistry, 28, 0.66% Food Chemistry 28 publications, 0.66%
Scientific Reports	Scientific Reports, 26, 0.62% Scientific Reports 26 publications, 0.62%
Journal of African Earth Sciences	Journal of African Earth Sciences, 26, 0.62% Journal of African Earth Sciences 26 publications, 0.62%
BMC Public Health	BMC Public Health, 22, 0.52% BMC Public Health 22 publications, 0.52%
Phytotherapy Research	Phytotherapy Research, 21, 0.5% Phytotherapy Research 21 publications, 0.5%
Environmental Monitoring and Assessment	Environmental Monitoring and Assessment, 21, 0.5% Environmental Monitoring and Assessment 21 publications, 0.5%
RSC Advances	RSC Advances, 20, 0.47% RSC Advances 20 publications, 0.47%
Journal of the Indian Chemical Society	Journal of the Indian Chemical Society, 18, 0.43% Journal of the Indian Chemical Society 18 publications, 0.43%
International Journal of Gynecology and Obstetrics	International Journal of Gynecology and Obstetrics, 17, 0.4% International Journal of Gynecology and Obstetrics 17 publications, 0.4%
Environmental Earth Sciences	Environmental Earth Sciences, 17, 0.4% Environmental Earth Sciences 17 publications, 0.4%
Chemistry Africa	Chemistry Africa, 17, 0.4% Chemistry Africa 17 publications, 0.4%
BMJ Open	BMJ Open, 16, 0.38% BMJ Open 16 publications, 0.38%
Journal of Molecular Modeling	Journal of Molecular Modeling, 16, 0.38% Journal of Molecular Modeling 16 publications, 0.38%
Arabian Journal of Geosciences	Arabian Journal of Geosciences, 16, 0.38% Arabian Journal of Geosciences 16 publications, 0.38%
Pigment and Resin Technology	Pigment and Resin Technology, 15, 0.36% Pigment and Resin Technology 15 publications, 0.36%
Materials Chemistry and Physics	Materials Chemistry and Physics, 15, 0.36% Materials Chemistry and Physics 15 publications, 0.36%
Scientific African	Scientific African, 15, 0.36% Scientific African 15 publications, 0.36%
International Quarterly of Community Health Education	International Quarterly of Community Health Education, 14, 0.33% International Quarterly of Community Health Education 14 publications, 0.33%
Plant Foods for Human Nutrition	Plant Foods for Human Nutrition, 14, 0.33% Plant Foods for Human Nutrition 14 publications, 0.33%
Computational and Theoretical Chemistry	Computational and Theoretical Chemistry, 14, 0.33% Computational and Theoretical Chemistry 14 publications, 0.33%
Nigerian Journal of Clinical Practice	Nigerian Journal of Clinical Practice, 13, 0.31% Nigerian Journal of Clinical Practice 13 publications, 0.31%
	20 40 60 80 100 120 140

Publishers

	100 200 300 400 500 600 700 800 900 1000
Springer Nature	Springer Nature, 941, 22.29% Springer Nature 941 publications, 22.29%
Elsevier	Elsevier, 867, 20.54% Elsevier 867 publications, 20.54%
Wiley	Wiley, 323, 7.65% Wiley 323 publications, 7.65%
Taylor & Francis	Taylor & Francis, 319, 7.56% Taylor & Francis 319 publications, 7.56%
SAGE	SAGE, 205, 4.86% SAGE 205 publications, 4.86%
Social Science Electronic Publishing	Social Science Electronic Publishing, 125, 2.96% Social Science Electronic Publishing 125 publications, 2.96%
MDPI	MDPI, 103, 2.44% MDPI 103 publications, 2.44%
Hindawi Limited	Hindawi Limited, 79, 1.87% Hindawi Limited 79 publications, 1.87%
Academic Journals	Academic Journals, 77, 1.82% Academic Journals 77 publications, 1.82%
IGI Global	IGI Global, 76, 1.8% IGI Global 76 publications, 1.8%
Scientific Scholar	Scientific Scholar, 71, 1.68% Scientific Scholar 71 publications, 1.68%
Emerald	Emerald, 70, 1.66% Emerald 70 publications, 1.66%
Oxford University Press	Oxford University Press, 59, 1.4% Oxford University Press 59 publications, 1.4%
BMJ	BMJ, 57, 1.35% BMJ 57 publications, 1.35%
Walter de Gruyter	Walter de Gruyter, 53, 1.26% Walter de Gruyter 53 publications, 1.26%
Ovid Technologies (Wolters Kluwer Health)	Ovid Technologies (Wolters Kluwer Health), 52, 1.23% Ovid Technologies (Wolters Kluwer Health) 52 publications, 1.23%
Frontiers Media S.A.	Frontiers Media S.A., 44, 1.04% Frontiers Media S.A. 44 publications, 1.04%
Public Library of Science (PLoS)	Public Library of Science (PLoS), 43, 1.02% Public Library of Science (PLoS) 43 publications, 1.02%
IOP Publishing	IOP Publishing, 26, 0.62% IOP Publishing 26 publications, 0.62%
Royal Society of Chemistry (RSC)	Royal Society of Chemistry (RSC), 25, 0.59% Royal Society of Chemistry (RSC) 25 publications, 0.59%
American Chemical Society (ACS)	American Chemical Society (ACS), 24, 0.57% American Chemical Society (ACS) 24 publications, 0.57%
Cambridge University Press	Cambridge University Press, 21, 0.5% Cambridge University Press 21 publications, 0.5%
AOSIS	AOSIS, 20, 0.47% AOSIS 20 publications, 0.47%
Virtus Interpress	Virtus Interpress, 19, 0.45% Virtus Interpress 19 publications, 0.45%
American Society of Clinical Oncology (ASCO)	American Society of Clinical Oncology (ASCO), 16, 0.38% American Society of Clinical Oncology (ASCO) 16 publications, 0.38%
IOS Press	IOS Press, 15, 0.36% IOS Press 15 publications, 0.36%
F1000 Research	F1000 Research, 15, 0.36% F1000 Research 15 publications, 0.36%
Modestum Ltd	Modestum Ltd, 15, 0.36% Modestum Ltd 15 publications, 0.36%
Scientific Publishers	Scientific Publishers, 14, 0.33% Scientific Publishers 14 publications, 0.33%
Kamla Raj Enterprises	Kamla Raj Enterprises, 14, 0.33% Kamla Raj Enterprises 14 publications, 0.33%
	100 200 300 400 500 600 700 800 900 1000

With other organizations

	50 100 150 200 250 300
University of Uyo	University of Uyo, 253, 5.99% University of Uyo 253 publications, 5.99%
University of Nigeria	University of Nigeria, 242, 5.73% University of Nigeria 242 publications, 5.73%
University of Ibadan	University of Ibadan, 180, 4.26% University of Ibadan 180 publications, 4.26%
University of Lagos	University of Lagos, 142, 3.36% University of Lagos 142 publications, 3.36%
University of Johannesburg	University of Johannesburg, 139, 3.29% University of Johannesburg 139 publications, 3.29%
University of Cross River State	University of Cross River State, 117, 2.77% University of Cross River State 117 publications, 2.77%
University of Port Harcourt	University of Port Harcourt, 109, 2.58% University of Port Harcourt 109 publications, 2.58%
University of Ilorin	University of Ilorin, 99, 2.35% University of Ilorin 99 publications, 2.35%
Obafemi Awolowo University	Obafemi Awolowo University, 98, 2.32% Obafemi Awolowo University 98 publications, 2.32%
Akwa Ibom State University	Akwa Ibom State University, 97, 2.3% Akwa Ibom State University 97 publications, 2.3%
Ahmadu Bello University	Ahmadu Bello University, 87, 2.06% Ahmadu Bello University 87 publications, 2.06%
Covenant University	Covenant University, 85, 2.01% Covenant University 85 publications, 2.01%
Nnamdi Azikiwe University	Nnamdi Azikiwe University, 80, 1.9% Nnamdi Azikiwe University 80 publications, 1.9%
Abia State University	Abia State University, 76, 1.8% Abia State University 76 publications, 1.8%
London School of Hygiene & Tropical Medicine	London School of Hygiene & Tropical Medicine, 73, 1.73% London School of Hygiene & Tropical Medicine 73 publications, 1.73%
Alex Ekwueme Federal University, Ndufu-Alike	Alex Ekwueme Federal University, Ndufu-Alike, 71, 1.68% Alex Ekwueme Federal University, Ndufu-Alike 71 publications, 1.68%
University of Benin	University of Benin, 70, 1.66% University of Benin 70 publications, 1.66%
University of KwaZulu-Natal	University of KwaZulu-Natal, 69, 1.63% University of KwaZulu-Natal 69 publications, 1.63%
University of Abuja	University of Abuja, 64, 1.52% University of Abuja 64 publications, 1.52%
Federal University of Technology Owerri	Federal University of Technology Owerri, 63, 1.49% Federal University of Technology Owerri 63 publications, 1.49%
Saveetha Institute of Medical and Technical Sciences	Saveetha Institute of Medical and Technical Sciences, 59, 1.4% Saveetha Institute of Medical and Technical Sciences 59 publications, 1.4%
Ebonyi State University	Ebonyi State University, 59, 1.4% Ebonyi State University 59 publications, 1.4%
University of Maiduguri	University of Maiduguri, 58, 1.37% University of Maiduguri 58 publications, 1.37%
Michael Okpara University of Agriculture	Michael Okpara University of Agriculture, 55, 1.3% Michael Okpara University of Agriculture 55 publications, 1.3%
Bayero University, Kano	Bayero University, Kano, 54, 1.28% Bayero University, Kano 54 publications, 1.28%
Federal University of Petroleum Resource Effurun	Federal University of Petroleum Resource Effurun, 50, 1.18% Federal University of Petroleum Resource Effurun 50 publications, 1.18%
University of Jos	University of Jos, 49, 1.16% University of Jos 49 publications, 1.16%
University of Nigeria Teaching Hospital	University of Nigeria Teaching Hospital, 49, 1.16% University of Nigeria Teaching Hospital 49 publications, 1.16%
King Saud University	King Saud University, 48, 1.14% King Saud University 48 publications, 1.14%
University of Science, Malaysia	University of Science, Malaysia, 48, 1.14% University of Science, Malaysia 48 publications, 1.14%
	50 100 150 200 250 300

With foreign organizations

	20 40 60 80 100 120 140
University of Johannesburg	University of Johannesburg, 139, 3.29% University of Johannesburg 139 publications, 3.29%
London School of Hygiene & Tropical Medicine	London School of Hygiene & Tropical Medicine, 73, 1.73% London School of Hygiene & Tropical Medicine 73 publications, 1.73%
University of KwaZulu-Natal	University of KwaZulu-Natal, 69, 1.63% University of KwaZulu-Natal 69 publications, 1.63%
Saveetha Institute of Medical and Technical Sciences	Saveetha Institute of Medical and Technical Sciences, 59, 1.4% Saveetha Institute of Medical and Technical Sciences 59 publications, 1.4%
King Saud University	King Saud University, 48, 1.14% King Saud University 48 publications, 1.14%
University of Science, Malaysia	University of Science, Malaysia, 48, 1.14% University of Science, Malaysia 48 publications, 1.14%
University of the Witwatersrand	University of the Witwatersrand, 46, 1.09% University of the Witwatersrand 46 publications, 1.09%
Kampala International University	Kampala International University, 42, 1% Kampala International University 42 publications, 1%
Institute of Metal Research, Chinese Academy of Sciences	Institute of Metal Research, Chinese Academy of Sciences, 39, 0.92% Institute of Metal Research, Chinese Academy of Sciences 39 publications, 0.92%
University of Buea	University of Buea, 37, 0.88% University of Buea 37 publications, 0.88%
Sichuan University of Science and Engineering	Sichuan University of Science and Engineering, 36, 0.85% Sichuan University of Science and Engineering 36 publications, 0.85%
Harvard University	Harvard University, 35, 0.83% Harvard University 35 publications, 0.83%
China Agricultural University	China Agricultural University, 29, 0.69% China Agricultural University 29 publications, 0.69%
Johns Hopkins University	Johns Hopkins University, 28, 0.66% Johns Hopkins University 28 publications, 0.66%
University of Cape Town	University of Cape Town, 28, 0.66% University of Cape Town 28 publications, 0.66%
University of Leeds	University of Leeds, 27, 0.64% University of Leeds 27 publications, 0.64%
Norwegian University of Science and Technology	Norwegian University of Science and Technology, 26, 0.62% Norwegian University of Science and Technology 26 publications, 0.62%
Tshwane University of Technology	Tshwane University of Technology, 26, 0.62% Tshwane University of Technology 26 publications, 0.62%
University College London	University College London, 25, 0.59% University College London 25 publications, 0.59%
Stellenbosch University	Stellenbosch University, 25, 0.59% Stellenbosch University 25 publications, 0.59%
South African Medical Research Council	South African Medical Research Council, 25, 0.59% South African Medical Research Council 25 publications, 0.59%
University of Cape Coast	University of Cape Coast, 25, 0.59% University of Cape Coast 25 publications, 0.59%
Suez University	Suez University, 25, 0.59% Suez University 25 publications, 0.59%
Swiss Tropical and Public Health Institute	Swiss Tropical and Public Health Institute, 23, 0.54% Swiss Tropical and Public Health Institute 23 publications, 0.54%
Western Sydney University	Western Sydney University, 23, 0.54% Western Sydney University 23 publications, 0.54%
University of Ghana	University of Ghana, 23, 0.54% University of Ghana 23 publications, 0.54%
Jaramogi Oginga Odinga University of Science and Technology	Jaramogi Oginga Odinga University of Science and Technology, 23, 0.54% Jaramogi Oginga Odinga University of Science and Technology 23 publications, 0.54%
University of Chinese Academy of Sciences	University of Chinese Academy of Sciences, 22, 0.52% University of Chinese Academy of Sciences 22 publications, 0.52%
University of Sydney	University of Sydney, 22, 0.52% University of Sydney 22 publications, 0.52%
Makerere University	Makerere University, 22, 0.52% Makerere University 22 publications, 0.52%
	20 40 60 80 100 120 140

With other countries

	50 100 150 200 250 300 350
South Africa	South Africa, 346, 8.2% South Africa 346 publications, 8.2%
United Kingdom	United Kingdom, 335, 7.94% United Kingdom 335 publications, 7.94%
USA	USA, 297, 7.04% USA 297 publications, 7.04%
China	China, 199, 4.71% China 199 publications, 4.71%
India	India, 186, 4.41% India 186 publications, 4.41%
Australia	Australia, 91, 2.16% Australia 91 publications, 2.16%
Saudi Arabia	Saudi Arabia, 85, 2.01% Saudi Arabia 85 publications, 2.01%
Canada	Canada, 83, 1.97% Canada 83 publications, 1.97%
Germany	Germany, 77, 1.82% Germany 77 publications, 1.82%
Ghana	Ghana, 74, 1.75% Ghana 74 publications, 1.75%
Cameroon	Cameroon, 74, 1.75% Cameroon 74 publications, 1.75%
Kenya	Kenya, 71, 1.68% Kenya 71 publications, 1.68%
Malaysia	Malaysia, 58, 1.37% Malaysia 58 publications, 1.37%
Switzerland	Switzerland, 57, 1.35% Switzerland 57 publications, 1.35%
Egypt	Egypt, 56, 1.33% Egypt 56 publications, 1.33%
France	France, 55, 1.3% France 55 publications, 1.3%
Italy	Italy, 54, 1.28% Italy 54 publications, 1.28%
Uganda	Uganda, 48, 1.14% Uganda 48 publications, 1.14%
Japan	Japan, 48, 1.14% Japan 48 publications, 1.14%
Pakistan	Pakistan, 40, 0.95% Pakistan 40 publications, 0.95%
Norway	Norway, 39, 0.92% Norway 39 publications, 0.92%
Iran	Iran, 38, 0.9% Iran 38 publications, 0.9%
Spain	Spain, 37, 0.88% Spain 37 publications, 0.88%
Iraq	Iraq, 34, 0.81% Iraq 34 publications, 0.81%
Brazil	Brazil, 33, 0.78% Brazil 33 publications, 0.78%
Netherlands	Netherlands, 29, 0.69% Netherlands 29 publications, 0.69%
Tanzania	Tanzania, 28, 0.66% Tanzania 28 publications, 0.66%
Belgium	Belgium, 26, 0.62% Belgium 26 publications, 0.62%
Gambia	Gambia, 26, 0.62% Gambia 26 publications, 0.62%
	50 100 150 200 250 300 350

We do not take into account publications without a DOI.
Statistics recalculated daily.
Publications published earlier than 1977 are ignored in the statistics.
The horizontal charts show the 30 top positions.
Journals quartiles values are relevant at the moment.

Science degree

Academy membership

Research interests

Skills