[Less pain by trained nursing care].
D000368:Aged; D000369:Aged, 80 and over; D000701:Analgesics, Opioid / Q000008:administration & dosage*; D002908:Chronic Disease / Q000451:nursing*; D004305:Dose-Response Relationship, Drug; D019317:Evidence-Based Medicine; D006268:Health Facilities; D006801:Humans; D009730:Nursing Assessment; D010146:Pain / Q000188:drug therapy / Q000451:nursing*; D010147:Pain Measurement / Q000451:nursing; D016896:Treatment Outcome
D000701:Analgesics, Opioid