Pain in childhood.
D000005:Abdomen; D000223:Adaptation, Psychological; D002648:Child; D002908:Chronic Disease; D003937:Diagnosis, Differential; D006261:Headache / Q000209:etiology; D006801:Humans; D010146:Pain / Q000209:etiology* / Q000235:genetics; D010551:Personality; D011602:Psychophysiologic Disorders / Q000209:etiology; D012008:Recurrence