Observer error in medicine. Observer error--a potential asset.
D002965:Classification; D003933:Diagnosis; D006801:Humans; D007600:Judgment; D008297:Male; D008722:Methods; D008906:Mining; D009784:Occupational Diseases / Q000145:classification / Q000000981:diagnostic imaging; D011009:Pneumoconiosis / Q000000981:diagnostic imaging*; D011859:Radiography; D013223:Statistics as Topic