title: Observer error in the interpretation of chest films; an international investigation.
authors.forename: A L
authors.initials: AL
authors.lastname: COCHRANE
authors.forename: L H
authors.initials: LH
authors.lastname: GARLAND
mesh_terms: D006801:Humans; D008168:Lung; D011859:Radiography; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary / Q000000981:diagnostic imaging*