6McCaffery M,Ferrell BR.Nurses' personal opinions about patients' pain and their effect on recorded assessments and titration of opioid doses.Pain Management Nursing,2000,1 (3):79-87.
7Hunt K.Perceptions of patients' pain:a study assessing nurses' attitudes.Nursing Standard,1995,18(4):32-35.
8Lloyd G,McLauchlan A.Nurses' attitudes towards management of pain.Nursing Time,1994,90(43):40-45.
9Bardiau FM,Taviaux NF,Albert A,et al.An intervention study to enhance postoperative pain management.Anesth Analg,2003,96:179-185.