title: [2 unpublished letters of A. Calmette (1863-1933) on the vicissitudes of BCG].
mesh_terms: D001500:BCG Vaccine / Q000266:history*; D005602:France; D049672:History, 19th Century; D049673:History, 20th Century
chemical_list: D001500:BCG Vaccine
vernacular_title: Due lettere inedite di A. Calmette (1863-1933) sulle vicende del BCG.