1Merskey H, Bogduk N. Classification of chronic pain, IASP Task Force on Taxonomy[M]. Seattle, W A.. In- ternational Association for the Study of Pain Press, 1994.
2Van den Beuken-van Everdingen M H, de Rijke J M, Kessels A G, et al. Prevalence of pain in patients with cancer:a systematic review of the past 40 years[J]. Ann Oncol,2007,18(9) :1437- 1449.
3Taddio A, Katz J. The effects of early pain experience in neonates on pain responses in infancy and childhood[J]. Pediatr Drugs, 2005,7 (4) : 245-257.
4Shrestha-Ranjit J M, Manias E. Pain assessment and ma- nagement practices in children following surgery of the lower limb[J]. J Clin Nurs, 2010,19 (1-2) : 118-128.
5McCaffery M, Robinson E S. Your patient is in pain-here's how you respond[J]. Nursing, 2002,32 (10) : 36-45.
6Gimbler-Berglund I, Ljusegren G, Ensk/ir K. Factors in- fluencing pain management in children [J]. Paediatric Care, 2008,20 (10) : 21-24.
8Pasero C. Pain assessment in infants and young children: neonates[J]. Am J Nurs,2002,102(8) :61 -63.
9Van Hulle Vincent C. Nurses' perceptions of children's pain: a pilot study of cognitive representations[J]. J Pain Symptom Manage,2007,33(3) :290 -301.
5Grunau R E,Holsti L,Peters J W.Long-term conse-quences of pain in human neonates[J],Semin Fetal Neo-natal Med,2006,11(4):268-275.
6Cong X,Delaney C,Vazquez V.Neonatal nurses' per-ceptions of pain assessment and management in NICUs:a national survey[J].Adv Neonatal Care,2013,13(5):353-360.
7Stevens B,McGrath P,Dupuis A,et al.Indicators of pain in neonates at risk for neurological impairment[J].J Adv Nurs,2009,65(2):285-296.
8Schiavenato M,von Baeyer C L.A quantitative examina-tion of extreme facial pain expression in neonates:the primal face of pain across time[J].Pain Res Treat,2012:251625.
9Johnston C C,Stevens B J,Franck L S,et al.Factors explaining lack of response to heel stick in preterm new-borns[J].J Obstet Gynecol Neonatal Nurs,1999,28(6):587-594.
10Holsti L,Grunau R E.Initial validation of the Behavioral Indicators of Infant Pain(BIIP)[J].Pain,2007,132(3):264-272.
