Countries
Institutions
Fields
Rankings
Compare

Search institutions, scholars, countries and publications

Sankore

Named after the University of Sankore in Timbuktu — one of the world’s oldest centres of learning. Every figure here is computed from work-level records in our own graph, never copied from a source’s summary count.

Built from

OpenAlex — works, authorships, subject classification
ROR — institutional identity
ORCID — researcher identity
Crossref — publisher confirmation

Browse

Countries
Institutions
Fields
Rankings
What we cover

Coverage is partial and says so. A country appears with its research output only once its works have been swept; until then the portal shows whatever the graph happens to hold for it and labels it as exactly that.

Need for Age-Specific Prostate-Specific Antigen Reference Intervals in a Nigerian Population

2023Nigerian Journal of Clinical PracticeJournalOpen access

10.4103/njcp.njcp_1643_21 Full text3 citations

Authors

4 authors across 2 institutions in 1 country.

Okafor, Edwin NFirst authorCorresponding
- University of Nigeria (NG)
as printed: Edwin N. Okafor
Innocent N. Okonkwo
- University of Nigeria (NG)
Nubila, Nkoyo I
- University of Nigeria (NG)
as printed: Nkoyo I. Nubila
Martin C. UgonaboSenior author
- University of Nigeria Teaching Hospital (NG)

Fields

Assignment is probabilistic — a work belongs to several fields in proportions.

Prostate Cancer Diagnosis and Treatmentlevel 3 · 0.99
Prostate Cancer Treatment and Researchlevel 3 · 0.00
Hormonal and reproductive studieslevel 3 · 0.00

Sources

Several sources describing one work is the point — it means the record rests on more than one authority.

openalexseen September 9, 2026
2023 · Nigerian Journal of Clinical Practice · 3 citations
https://openalex.org/W4388085714

Need for Age-Specific Prostate-Specific Antigen Reference Intervals in a Nigerian Population · Sankore