Theophilus Okafor Nnaji

University of Nigeria

Publishing since 1996, latest 2026

Epidemiology
Genetics
Radiology, Nuclear Medicine and Imaging
Small Animals
Urology
Ecology, Evolution, Behavior and Systematics

Their record on OpenAlex

Publications: 291996–2026
Citations: 126to those papers
h-index: 6i10-index 5
Field-weighted impact: 0.181.00 is the world average
World top 10%: 0%0 of 29 scored papers
Open access: 72%21 papers free to read

By year

Papers, and the citations to them

Publications, left axisCitations to that year’s papers, right axis2026 still in progress

Publications

29 in all

Ameliorative effects of Astymin-SN® and vitamin A against X-ray radiation-induced oxidative stress of male Wistar albino rats
2026Tropical Journal of Pharmaceutical ResearchJournalOpen access0 citations10.4314/tjpr.v25i1.7
Radiation-Induced Histological Effects of CT on the Spleen and Heart in Wistar Rats: A Randomized Controlled Trial
2025

Download CV:PDFWord

Citations received each year

Peerford

To all their work, old papers included. Google Scholar also counts citations from theses, books and web pages, so its line runs higher.

What they work on

From the classification of each paper

Subfields

Epidemiology724%
Genetics621%
Radiology, Nuclear Medicine and Imaging517%
Small Animals414%
Urology414%
Ecology, Evolution, Behavior and Systematics310%
Equine310%
Molecular Biology310%
Nutrition and Dietetics310%
Oral Surgery310%

Health Sciences
Life Sciences

Topics most written on

Effects of Radiation Exposure4
Trypanosoma species research and implications4
dental development and anomalies3
Genetic and phenotypic traits in livestock3
Oral and Maxillofacial Pathology3
Periodontal Regeneration and Treatments3
Radiation Dose and Imaging3
Veterinary Equine Medical Research3
Animal Diversity and Health Studies2
Chemical synthesis and alkaloids2
Vector-Borne Animal Diseases2
Veterinary Oncology Research2

Who they write with

Their most frequent co-authors, and the papers those co-authors share

Where their co-authors are

0% of their papers have a co-author abroad

Most frequent partner countries

Papers with at least one author in that country.

Institutions written with most

University of Nigeria Teaching HospitalNG3 papers
University of UyoNG3 papers
Michael Okpara University of AgricultureNG2 papers
University of Uyo Teaching HospitalNG1 paper
University of AbujaNG1 paper
University of BeninNG1 paper
Akwa Ibom State UniversityNG1 paper
University of CalabarNG1 paper

Where they publish

Comparative Clinical Pathology7
Animal Research International4
Nigerian Journal of Animal Production4
Journal of Intercultural Ethnopharmacology2
Animal Models and Experimental Medicine1
Indian Journal of Animal Research1

Development goals addressed

From each paper’s title and abstract

2Zero hunger5
3Good health and well-being5
6Clean water and sanitation1
15Life on land1

Most cited

Intestinal parasitic infections of dogs in the Nsukka area of Enugu State, Nigeria
Preventive Veterinary Medicine
199643 citations
Antimicrobial and antioxidant effect of methanolic Crinum jagus bulb extract in wound healing
Journal of Intercultural Ethnopharmacology
201523 citationsOpen access · Diamond
Osteocyte viability and bone density in cadmium chloride‐induced osteoporosis ameliorated with Pilostigma thonningii stem bark‐extracted D‐3‐O‐methy‐chiroinositol
Animal Models and Experimental Medicine6

International Journal of Medicine and Health Development

Histopathological Study of the Gastrointestinal Tract in CT Radiation Exposed Rats

2024Journal of Advances in Medicine and Medical ResearchJournalOpen accessSenior author0 citations10.9734/jammr/2024/v36i95576

Incidence of trypanosomosis in a Muturu herd at Nsukka, South-Eastern Nigeria

2021Nigerian Journal of Animal ProductionJournalOpen access0 citations10.51791/njap.v31i2.1820

SURGICAL MANAGEMENT OF BILATERAL PROLAPSE OF THE THIRD EYELID GLANDS IN A NORWICH TERRIER

2016Animal Research InternationalJournalOpen accessFirst author0 citations

Evaluation of wound healing potential of methanolic Crinum jagus bulb extract

2015Journal of Intercultural EthnopharmacologyJournalOpen access11 citations10.5455/jice.20150405064050

FRONTOSAGITTAL AND VERTEBRAL INDICES OF WEST AFRICAN DWARF GOAT

2014Animal Research InternationalJournalOpen accessFirst author0 citations

Haematology of normal and trypanosome infected Muturu cattle in southeastern Nigeria

2003Nigerian Journal of Animal ProductionJournalOpen access10 citations10.4314/njap.v30i2.3300

International Journal of Medicine and Health Development1

International Journal of Radiation Research1

How it can be read

72% free to read

Diamond 9 · 31%Free to read and to publish
Gold 4 · 14%In an open-access journal
Hybrid 4 · 14%Open in a subscription journal
Green 4 · 14%A copy in a repository
Closed 8 · 28%Behind a paywall

Who funds it

3 of 29 papers name a funder

National Institutes of Health2
National Institute of Technology Rourkela1

Evaluation of wound healing potential of methanolic Crinum jagus bulb extract

Journal of Intercultural Ethnopharmacology

201511 citationsOpen access · Diamond

Haematology of normal and trypanosome infected Muturu cattle in southeastern Nigeria

Nigerian Journal of Animal Production

200310 citationsOpen access · Diamond