title: You're the flight surgeon: an unusual radiographic finding in a patient with back pain.
authors.affiliation: Department of Graduate Medical Education, USAF School of Aerospace Medicine, Brooks City-Base, TX 78235-5130, USA.
authors.forename: E L
authors.initials: EL
authors.lastname: O'Neal
mesh_terms: D000328:Adult; D001416:Back Pain / Q000209:etiology; D014355:Chagas Disease / Q000175:diagnosis; D004106:Dilatation; D004185:Disability Evaluation; D004931:Esophageal Achalasia / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000628:therapy; D005260:Female; D006801:Humans; D008889:Military Personnel; D011859:Radiography