Index of suspicion.
D000293:Adolescent; D000856:Anorexia Nervosa / Q000175:diagnosis; D001049:Apnea / Q000209:etiology; D001774:Blood Chemical Analysis; D001921:Brain / Q000000981:diagnostic imaging / Q000473:pathology; D003106:Colon / Q000473:pathology; D003424:Crohn Disease / Q000175:diagnosis* / Q000628:therapy; D003937:Diagnosis, Differential; D003967:Diarrhea / Q000209:etiology; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D020300:Intracranial Hemorrhages / Q000175:diagnosis*; D008279:Magnetic Resonance Imaging; D008297:Male; D009103:Multiple Sclerosis / Q000175:diagnosis*; D018908:Muscle Weakness / Q000209:etiology; D011859:Radiography