[Importance of human bilharziasis in Africa; present difficulties and prospects of its prevention].
D000349:Africa; D035843:Biomedical Research; D006801:Humans; D012552:Schistosomiasis / Q000453:epidemiology*
SCHISTOSOMIASIS/epidemiology
Importancia de las bilharziosis humanas en Africa; dificultades y perspectivas actuales de su profilaxia.