Journal Article
Boyer, Sylvie, Fabienne Marcellin, Pierre Ongolo-Zogo, Severin-Cecile Abega, Robert Nantchouang, Bruno Spire, and Jean-Paul Moatti.
"Financial barriers to HIV treatment in Yaounde, Cameroon: first results of a national cross-sectional survey." Bulletin of the World Health Organization 87, no. 4 (2009): 279-287.