title: Epidemiological methods to evaluate vaccine efficacy.
authors.forename: P G
authors.initials: PG
authors.lastname: Smith
mesh_terms: D001500:BCG Vaccine; D002648:Child; D003906:Developing Countries; D004812:Epidemiologic Methods; D006801:Humans; D014376:Tuberculosis / Q000517:prevention & control*; D014611:Vaccination
chemical_list: D001500:BCG Vaccine