title: A global approach to cancer-screening trials.
authors.affiliation: Cancer Screening, American Cancer Society, Atlanta, GA, USA.
authors.forename: Robert A
authors.initials: RA
authors.lastname: Smith
authors.forename: John K
authors.initials: JK
authors.lastname: Field
authors.forename: Stephen W
authors.initials: SW
authors.lastname: Duffy
mesh_terms: D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D008403:Mass Screening; D015337:Multicenter Studies as Topic; D009369:Neoplasms / Q000175:diagnosis* / Q000517:prevention & control; D011859:Radiography; D016032:Randomized Controlled Trials as Topic