title: Colorectal Cancer Screening Comparative Effectiveness-Clinical Trials Are Not Always The Answer-Reply.
authors.affiliation: Department of Medicine, University of California-San Francisco, San Francisco.
authors.forename: Rita F
authors.initials: RF
authors.lastname: Redberg
mesh_terms: D003113:Colonoscopy; D015179:Colorectal Neoplasms; D003362:Cost-Benefit Analysis; D055088:Early Detection of Cancer; D006801:Humans; D008403:Mass Screening; D009780:Occult Blood