Pain theories and their relevance to the pediatric population.
D000328:Adult; D002648:Child; D002675:Child, Preschool; D003071:Cognition; D004192:Discrimination, Psychological; D004644:Emotions; D006801:Humans; D007223:Infant; D010146:Pain / Q000503:physiopathology / Q000523:psychology*; D011582:Psychological Theory; D002666:Psychology, Child; D012018:Reflex