[Contribution to the study of rickettsioses in Chad. Epidemiological survey].
D000350:Africa, Central; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000209:etiology*; D006041:Goats; D006801:Humans; D012282:Rickettsia Infections / Q000453:epidemiology* / Q000662:veterinary*
Contribution à l'étude des rickettsioses au Tchad. Enquête épidémiologique.