Profile of eye lesions and vision loss: a cross-sectional study in Lusambo, a forest-savanna area hyperendemic for onchocerciasis in the Democratic Republic of Congo. - Kayembe,D.L.; Kasonga,D.L.; Kayembe,P.K.; Mwanza,J.CK.; Boussinesq,M. (Trop Med Internat Health, 2003)