title: [The effects of premedication on urinary catecholamine excretion in the young and elderly patients undergoing surgery].
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001285:Atropine / Q000627:therapeutic use; D002395:Catecholamines / Q000652:urine*; D003975:Diazepam / Q000627:therapeutic use; D004298:Dopamine / Q000652:urine; D006801:Humans; D011229:Preanesthetic Medication; D013514:Surgical Procedures, Operative
chemical_list: D002395:Catecholamines; D001285:Atropine; D003975:Diazepam; D004298:Dopamine