title: Colorectal cancer screening by primary care physicians: what are the next steps?
authors.forename: S
authors.initials: S
authors.lastname: Tropman Hawley
authors.forename: B
authors.initials: B
authors.lastname: Levin
mesh_terms: D015179:Colorectal Neoplasms / Q000175:diagnosis*; D006801:Humans; D008403:Mass Screening; D010821:Physicians, Family