[Research on onchocerciasis along the Black Volta in 1950].
D001741:Black or African American; D044383:Black People; D006801:Humans; D009855:Onchocerciasis / Q000453:epidemiology*; D012106:Research
ONCHOCERCIASIS/epidemiology
Enquêtes sur l'onchocercose le long de la Volta Noire (1950).