Doll, R., & Peto, R. (1980). Randomised controlled trials and retrospective controls.
Citación estilo ChicagoDoll, R., and R. Peto. Randomised Controlled Trials and Retrospective Controls. 1980.
Cita MLADoll, R., and R. Peto. Randomised Controlled Trials and Retrospective Controls. 1980.
Warning: These citations may not always be 100% accurate.