title: Using pain scales to prevent undermedication.
mesh_terms: D000700:Analgesics / Q000627:therapeutic use*; D002648:Child; D002654:Child Care; D002675:Child, Preschool; D006801:Humans; D009730:Nursing Assessment; D010146:Pain / Q000188:drug therapy* / Q000451:nursing; D010147:Pain Measurement / Q000379:methods*
chemical_list: D000700:Analgesics