1Wieczorek PM,Guest S,Balki M,et al.Breasffeeding success rate after vaginal delivery can be high despite the use of epidttral fentanyl: an ob - servational cohort study. Int J Obstet Anesth, 2010,19(3 ) : 273- 277.
2Dickerson T,Crookston B,Simonsen SE,et al.Pregnancy and village outreach tibet:a descriptive report of a community- and home- based maternal-newborn outreach program in rural Tibet. J Perinat Neonatal Nurs,2010,24(2) : 113-127.