Multilevel search strategy
| Data source | Approach |
| Literature search/publications | Review of relevant journal publications on medical dominance, role-boundary changes, health professional rivalry in Nigeria |
| Desk review | Review of documents from government MDAs and professional health associations |
| Media review | Review of comments and social debates among stakeholders in Nigerian newspapers, augmented by wider social debates on social media platforms |
| Researcher | Experience and exposure to the focus of analysis. OB, HS, and SA received medical training in Nigeria and at different times worked as frontline health workers, programme managers and researchers within Nigeria’s health and development sector |
MDA, Ministries, Department and Agencies.