مقالة · مجلة · 2017
Leonard Baatiema, Michael Otim, George Mnatzaganian, Ama de‐Graft Aikins, Judith Coombes, Shawn Somerset
BMC Health Services Research
اقرأه10.1186/s12913-017-2061-2
كما طُبع: Ama De-Graft Aikins