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.

Association of serum zinc, selenium, nickel, cobalt and prostate-specific antigen levels with prostate cancer: a case-control study

2026International Surgery JournalJournalOpen access

10.18203/2349-2902.isj20260837 Full text0 citations

Authors

2 authors across 2 institutions in 1 country.

Okigbeye DanagogoFirst author
- Rivers State University (NG)
Esther E. Njoku NwankwoSenior author
- University of Port Harcourt Teaching Hospital (NG)

Fields

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

Trace Elements in Healthlevel 3 · 0.66
Selenium in Biological Systemslevel 3 · 0.10
Heavy Metal Exposure and Toxicitylevel 3 · 0.09

Sources

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

openalexseen September 9, 2026
2026 · International Surgery Journal · 0 citations
https://openalex.org/W7140848343

Association of serum zinc, selenium, nickel, cobalt and prostate-specific antigen levels with prostate cancer: a case-control study · Sankore