title: Identifying illness: pitfalls and discoveries.
authors.forename: A J
authors.initials: AJ
authors.lastname: Frances
authors.forename: J C
authors.initials: JC
authors.lastname: Beckham
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010348:Patient Care Team; D018923:Persian Gulf Syndrome / Q000145:classification / Q000175:diagnosis* / Q000523:psychology; D011602:Psychophysiologic Disorders / Q000145:classification / Q000175:diagnosis* / Q000523:psychology; D013001:Somatoform Disorders / Q000145:classification / Q000175:diagnosis* / Q000523:psychology; D014728:Veterans / Q000523:psychology*