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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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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.

To call or not to call: exploring the validity of telephone interviews to derive maternal self-reports of experiences with facility childbirth care in northern Nigeria

2022BMJ Global HealthJournalOpen access

10.1136/bmjgh-2021-008017 Full text6 citations

Authors

9 authors across 4 institutions in 3 countries.

Nasir UmarFirst authorCorresponding
Joanna Schellenberg
Zelee Hill
Antoinette Bhattacharya
as printed: Antoinette Alas Bhattacharya
Moise Muzigaba
Özge Tunçalp
Nuraddeen Umar Sambo
Abdulrahman Shuaibu
- National Primary Health Care Development Agency (NG)
Tanya MarchantSenior author

Fields

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

Maternal and Perinatal Health Interventionslevel 3 · 0.66
Global Maternal and Child Healthlevel 3 · 0.24
Patient Satisfaction in Healthcarelevel 3 · 0.01

Sources

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

openalexseen September 9, 2026
2022 · BMJ Global Health · 6 citations
https://openalex.org/W4220964017

To call or not to call: exploring the validity of telephone interviews to derive maternal self-reports of experiences with facility childbirth care in northern Nigeria · Sankore