title: Twenty years of experimental and clinical control of the toxicity of vitality and allergenic and immunizing properties of B.C.G.
authors.forename: A
authors.initials: A
authors.lastname: FRAPPIER
mesh_terms: D001500:BCG Vaccine; D006801:Humans; D007114:Immunization; D014376:Tuberculosis
chemical_list: D001500:BCG Vaccine