TY - BOOK ED - Joint OIHP/WHO Study-Group o African Rickettsioes. ED - World Health Organization ED - Office international d hygiene publique TI - Joint OIHP/WHO Study-Group o African Rickettsioes: report on the f irst session, Brazzaville, 8-14 February 1950 PY - 1950/// CY - Geneva PB - World Health Organization KW - Rickettsia infections /z Africa ER -