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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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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.

Relationship of Serum Vitamin D Levels to the Severity of Migraine

2024Nigerian Journal of MedicineJournalOpen access

10.4103/njm.njm_45_24 Full text0 citations

Authors

5 authors across 3 institutions in 1 country.

Simon Izuchukwu OzommaFirst authorCorresponding
- University of Calabar (NG)
Sidney Oparah
- University of Calabar (NG)
as printed: Sidney Kelechi Oparah
Mustapha Abudu Danesi
- Lagos University Teaching Hospital (NG)
Francis Ibe Ojini
- Lagos University Teaching Hospital (NG)
Roosevelt Amaobichukwu AnyanwuSenior author
- University of Lagos (NG)

Fields

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

Migraine and Headache Studieslevel 3 · 1.00
Vitamin D Research Studieslevel 3 · 1.00
Fibromyalgia and Chronic Fatigue Syndrome Researchlevel 3 · 0.98

Sources

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

openalexseen September 9, 2026
2024 · Nigerian Journal of Medicine · 0 citations
https://openalex.org/W4403655503

Relationship of Serum Vitamin D Levels to the Severity of Migraine · Sankore