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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.

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

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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.

Abdurrahman Ahmad Umar · Sankore

Aminu Kano Teaching Hospital

Abdurrahman Ahmad Umar

ORCID, self-asserted

ORCID 0000-0003-0754-3414

This profile carries an ORCID the researcher published on their own record — the strongest evidence available short of a human confirming it.

Publications

2

Citations

40

h-index

2

Computed over the works the graph holds, so it is a floor rather than a career figure.

i10-index

1

Works published 2022 onward have been swept for this country. Figures are complete within that window, to the extent the open indexes are.

Publications

2 works in the graph, newest first.

Diagnosis of cancer in the South and North of Nigeria: duration and causes of delay
2025BMC Health Services ResearchJournalOpen access7 citations10.1186/s12913-025-12707-8
On geometrical configurations of vibration-driven piezoelectric energy harvesters for optimum energy transduction: A critical review
2022Mechanics of Advanced Materials and StructuresJournalSenior author33 citations10.1080/15376494.2022.2031357