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.

Endoscopy for Upper Gastrointestinal Bleeding in a Tertiary Hospital in Kaduna, North-West Nigeria

2022Annals of African MedicineJournalOpen access

10.4103/aam.aam_64_21 Full text8 citations

Authors

4 authors.

Husain YahyaFirst authorCorresponding
- Kaduna State University (NG)
Halima Umar
- Kaduna State University (NG)
Bulus Timothy Shekari
- Kaduna State University (NG)
Kalli SaniSenior author
- Kaduna State University (NG)

Fields

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

Gastrointestinal Bleeding Diagnosis and Treatmentlevel 3 · 0.77
Potassium and Related Disorderslevel 3 · 0.03
Medical Device Sterilization and Disinfectionlevel 3 · 0.03

Sources

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

openalexseen September 9, 2026
2022 · Annals of African Medicine · 8 citations
https://openalex.org/W4303512400

Endoscopy for Upper Gastrointestinal Bleeding in a Tertiary Hospital in Kaduna, North-West Nigeria · Sankore