Randomised controlled trials and population-based observational research: partners in the evolution of medical evidence.
Division of Cancer Care and Epidemiology, Queen's University Cancer Research Institute, 10 Stuart Street, Kingston, ON K7L 5PG, Canada.
C M
CM
Booth
Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre, Toronto, ON, Canada.
I F
IF
Tannock
D003362:Cost-Benefit Analysis; D006801:Humans; D009369:Neoplasms / Q000473:pathology / Q000628:therapy*; D011787:Quality of Health Care; D016032:Randomized Controlled Trials as Topic; D016896:Treatment Outcome