title: Which of these things is not like the others?
authors.affiliation: Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Canada.
authors.forename: Jay S
authors.initials: JS
authors.lastname: Kaufman
authors.forename: Richard F
authors.initials: RF
authors.lastname: MacLehose
mesh_terms: D020811:Biomedical Technology; D005260:Female; D006801:Humans; D008297:Male; D009369:Neoplasms / Q000145:classification* / Q000209:etiology* / Q000473:pathology; D017063:Outcome Assessment, Health Care; D016032:Randomized Controlled Trials as Topic
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