title: [Observation concerning the protective effect of BCG vaccination in the rural population of South India: report number 4].
mesh_terms: D001500:BCG Vaccine; D006801:Humans; D007194:India; D008403:Mass Screening; D008722:Methods; D014374:Tuberculin Test; D014376:Tuberculosis / Q000517:prevention & control*
chemical_list: D001500:BCG Vaccine
vernacular_title: Observation concernant l'effet protecteur de la vaccination BCG parmi une population rurale du sud de l'Inde: quatrième rapport