TY - BOOK ED - Tchad. TI - Bilan d' activité technique du service des grandes endémies du Tchad PY - 1971///-1976 CY - N'Djamena, Tchad PB - Ministère de la Santé et des Affaires sociales KW - Public health KW - statistics KW - Health services KW - Communicable diseases KW - Endemic diseases KW - Chad N1 - The library has the following: 1970, 1971, 1975 ER -