Pupillary reaction in children with recurrent abdominal pain.
D000005:Abdomen; D000293:Adolescent; D000342:Affective Symptoms / Q000175:diagnosis; D001341:Autonomic Nervous System / Q000503:physiopathology; D002648:Child; D002675:Child, Preschool; D003080:Cold Temperature; D005260:Female; D006801:Humans; D008297:Male; D010146:Pain / Q000503:physiopathology*; D011602:Psychophysiologic Disorders / Q000175:diagnosis; D011680:Pupil / Q000503:physiopathology*; D012018:Reflex; D012025:Reflex, Pupillary; D013312:Stress, Physiological