Derege Kebede1, Chris Zielinski2. 1. World Health Organization Regional Office for Africa, PO Box 6, Brazzaville, Congo kebeded@who.int. 2. World Health Organization Regional Office for Africa, PO Box 6, Brazzaville, Congo.
Authors: Derege Kebede; Chris Zielinski; Peter Ebongue Mbondji; Miguel Piexoto; Wenceslas Kouvividila; Paul-Samson Lusamba-Dikassa Journal: J R Soc Med Date: 2014-03-18 Impact factor: 5.344