7Kirsi J,Liisamaija N,Heli V,et al.Preoperative education for orthopaedic patients[J].Journal of Advanced Nursing,2005,50(2):212-223.
8Hayes E.Nurse practitioner self-confidence and attitudes regarding managedcare[J].Journal of the American Academy of Nurse Practitioners,2003,15(11):501-508.
9Block CE, Enker WE. Survival after operation for rectal carcinoma in patient over 70 years of age[J]. Ann Surg ,1997,174:521.