The advantages of using the clinical trials model for cancer control research.
Kaiser Permanente Center for Health Research, Portland, Oregon 97215.
P A
PA
La Chance
T M
TM
Vogt
E
E
Lichtenstein
D002986:Clinical Trials as Topic / Q000379:methods*; D006801:Humans; D008962:Models, Theoretical; D009316:National Institutes of Health (U.S.); D009369:Neoplasms / Q000517:prevention & control*; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D012907:Smoking / Q000628:therapy; D014481:United States