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