1Holditch -Davis D, Bartlett TR, Blickman AL, et al. Posttraumatic stress symptoms in mothers of premature infants [ J ]. J Obst Gynecol Neonatal Nuxs, 2003,32 : 161-171.
2Wigert H,Johansaon R,Berg M,et al. Mothers' s experiences of having their newborn child in a neonatal intensive care unit [ J ]. Scandinavian J Caring Sciences, 2006,20 : 35-41.
4Evalotte M, Elvar T, Nina N. Salivary Cortisol and Mood and Pain Pro - flies During Skin - to - Skin Care for an UnseIected Group of Mothexs and Infants in Neonatal Intensive[ J]. Care Pediatrics ,2005,116 : 1105-1113.
2Helena W, Marie B. Health. Care pro{essionals, experi- ences of parental presence and participation in neonatal in- tensive care unit [J]. International Journal of QualitativeStudies on Health and Well Being,2007,2(3) : 45--54.