title: Pain in children: theoretical, research, and practice dilemmas.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D000698:Analgesia / Q000379:methods; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D010146:Pain / Q000451:nursing* / Q000503:physiopathology / Q000523:psychology; D010147:Pain Measurement / Q000379:methods*; D012684:Sensory Thresholds