title: Use of the case-control approach in vaccine evaluation: efficacy and adverse effects.
authors.affiliation: Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, United Kingdom.
authors.forename: L C
authors.initials: LC
authors.lastname: Rodrigues
authors.forename: P G
authors.initials: PG
authors.lastname: Smith
mesh_terms: D001500:BCG Vaccine; D016022:Case-Control Studies; D015340:Epidemiologic Research Design; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D014611:Vaccination; D014612:Vaccines
chemical_list: D001500:BCG Vaccine; D014612:Vaccines