RT Journal Article SR Electronic T1 Effects of hyperbaric spinal ropivacaine for Cesarean section: with or without fentanyl: 73. JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 32 OP 32 DO 10.1136/rapm-00115550-200409002-00060 VO 29 IS Suppl 2 A1 Sanli, S A1 Yegin, A A1 Yilmaz, M A1 Dosemeci, L A1 Kayacan, N A1 Karsli, B YR 2004 UL http://rapm.bmj.com/content/29/Suppl_2/32.1.abstract AB