AN Ikefuna

University of Nigeria

Also at University of Nigeria Teaching Hospitalfrom their recent papers

Publishing since 1970, latest 2026

Genetics
Hematology
Epidemiology
Pediatrics, Perinatology and Child Health
Nutrition and Dietetics
General Health Professions

Their record on OpenAlex

Publications: 921970–2026
Citations: 1,219to those papers
h-index: 21i10-index 45
Field-weighted impact: 0.841.00 is the world average
World top 10%: 9%8 of 92 scored papers
Open access: 76%70 papers free to read

3 other works — preprints, datasets and the like — are listed but not counted.

By year

Papers, and the citations to them

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

Career

On their papers

Every institution they have given on a paper.

Publications

92 in all

Adiponectin levels during steady state and vaso-occlusive crisis in Nigerian children with sickle cell anaemia
2026Annals of HematologyJournalOpen access0 citations10.1007/s00277-026-06944-y
Serum Vitamin A levels in children with sickle cell anemia: relationship with pulmonary function indices
2026BMC Pediatrics

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

Genetics3134%
Hematology1921%
Epidemiology1617%
Pediatrics, Perinatology and Child Health1314%
Nutrition and Dietetics1213%
General Health Professions1112%
Health Information Management1112%
Infectious Diseases1112%
Public Health, Environmental and Occupational Health1112%
Physiology1011%

Health Sciences

Topics most written on

Hemoglobinopathies and Related Disorders30
Iron Metabolism and Disorders14
Global Health and Epidemiology11
Child Nutrition and Water Access8
Clinical Laboratory Practices and Quality Control7
Trace Elements in Health5
Adolescent Sexual and Reproductive Health4
Blood groups and transfusion4
Folate and B Vitamins Research4
Hepatitis B Virus Studies4
HIV/AIDS Research and Interventions4
Obesity, Physical Activity, Diet4

Who they write with

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

Where their co-authors are

13% of their papers have a co-author abroad

papers co-written1234567Home

Most frequent partner countries

United Kingdom6
United States3
Gambia2
Japan1
Saudi Arabia1
Sierra Leone1
Switzerland1
South Africa1

Papers with at least one author in that country.

Institutions written with most

University of Nigeria Teaching HospitalNG68 papers
Federal Medical CentreNG7 papers
Enugu State University of Science and TechnologyNG6 papers
Federal Teaching Hospital AbakalikiNG5 papers
Nnamdi Azikiwe UniversityNG4 papers
Medical Research CouncilGB3 papers
Federal Medical CentreNG3 papers
Brooklyn Hospital CenterUS2 papers
Whiston HospitalGB2 papers
Royal Victoria InfirmaryGB2 papers

Where they publish

Nigerian Journal of Clinical Practice15
PubMed13
Pediatric Hematology and Oncology6
BMC Pediatrics5
Nigerian Journal of Paediatrics5
Annals of Medical and Health Sciences Research4

Development goals addressed

From each paper’s title and abstract

3Good health and well-being41
2Zero hunger12
1No poverty7
4Quality education2
5Gender equality2
8Decent work and economic growth2
10Reduced inequalities2
17

Most cited

Hypertension and prehypertension among adolescents in secondary schools in Enugu, South East Nigeria
The Italian Journal of Pediatrics/Italian journal of pediatrics3
201377 citationsWorld top 10%Open access · Gold
Diagnostic Delay in Pediatric Cancer in Enugu, Nigeria: A Prospective Study
Pediatric Hematology and Oncology
201460 citationsWorld top 10%
Home management of childhood diarrhoea: Need to intensify campaign

Serum Vitamin A Levels in Children with Sickle Cell Anemia: Relationship with Clinical Disease Severity

2025International Journal of Medicine and Health DevelopmentJournalOpen access1 citation10.4103/ijmh.ijmh_181_25

A Descriptive Analysis of Paediatricians’ Involvement in Community Child Health in Nigeria: So Far How Far?

2023Journal of Advances in Medicine and Medical ResearchJournalOpen accessSenior author0 citations10.9734/jammr/2023/v35i195135

Spectrum of Skin Disorders Among Primary School Children in Umuahia, South-East Nigeria

2022Nigerian Journal of Clinical PracticeJournalOpen accessSenior author3 citations10.4103/njcp.njcp_1573_21

Tuberculin Conversion Rate after BCG Vaccination of Apparently Healthy Infants in a Resource-Poor Setting

2022International Journal of Medicine and Health DevelopmentJournalOpen accessSenior author0 citations10.4103/ijmh.ijmh_9_21

Prevalence and risk factors for helicobacter pylori infection among children in Owerri, Nigeria

2021Nigerian Journal of Clinical PracticeJournalOpen accessSenior authorCorresponding27 citations10.4103/njcp.njcp_687_20

School health services in Enugu East, Nigeria: perspectives from a resourcepoor setting

2017Healthcare in Low-resource SettingsJournalOpen accessCorresponding8 citations10.4081/hls.2017.6357

Seroprevalence and correlates of hepatitis c virus infection in secondary school children in Enugu, Nigeria

2016Annals of Medical and Health Sciences ResearchJournalOpen accessSenior author12 citations10.4103/2141-9248.183940

Nigerian Medical Journal

South African Journal of Child Health4

How it can be read

76% free to read

Diamond 32 · 35%Free to read and to publish
Gold 21 · 23%In an open-access journal
Hybrid 2 · 2%Open in a subscription journal
Bronze 2 · 2%Free to read, no open licence
Green 13 · 14%A copy in a repository
Closed 22 · 24%Behind a paywall

Who funds it

2 of 92 papers name a funder

Centers for Disease Control and Prevention1
Kela1

Partnerships for the goals

16Peace, justice and strong institutions1

Nigerian Journal of Clinical Practice3

201156 citationsWorld top 10%Open access · Diamond

Morbidity and mortality pattern of childhood illnesses seen at the children emergency unit of federal medical center, Asaba, Nigeria

Annals of Medical and Health Sciences Research3

201447 citationsWorld top 10%Open access · Green

Typhoid ileal perforation: analysis of morbidity and mortality in 89 children.

PubMed3

200835 citations