4Wong, D. and Baker, C. Pain in children : Comparison of as- sessment scales[J]. Pediatric Nursing, 1988,14 (1) : 9-17.
5JG Schade, BA Joyce, J Gerkensmeyer, et al. Comparison of three preverbal Scales for post Operative pain Assessment in a Diverse Pediatric Sample[J]. J of Pain and Symptom Manage- ment,1996, 12(6) :348-359.
6S Merkel. A behavioral scale for scoring postoperative pain in young children[J]. Pediatr Nurse,1997, 23(3):293-297.
7Kondrup J,Rasmussen H J, Hamberg O, et al. Nutritional risk screening(NRS-2OO2)~a new method based on an analysis o[ controlled clinical trials[J]. Clin Nutr, 2003,22 : 321.
