@misc{indiciaefdb68617bf0d, title = {Epidemiologic methods in clinical trials.}, author = {K J Rothman}, year = {1977}, doi = {10.1002/1097-0142(197704)39:4+<1771::aid-cncr2820390803>3.0.co;2-2}, url = {https://pubmed.ncbi.nlm.nih.gov/322841/}, note = {Source identifier: 322841} }