TY - JOUR T1 - Comparison of efficiency of bupivacaine and ropivacaine in epidural anaesthesia in lower abdominal surgery AU - Çiftçi, Şükrü AU - Hancı, Ayşe AU - Sivrikaya, G. Ulufer AU - Bektaş, Metin AU - Oba, Sibel Y1 - 2007 PY - 2007 DA - 2007 N1 - doi: DO - T2 - The Medical Bulletin of Sisli Etfal Hospital JF - The Medical Bulletin of Sisli Etfal Hospital JO - Med Bull Sisli Etfal Hosp SP - 24 EP - 29 VL - 41 IS - 3 SN - M3 - doi: UR - https://dx.doi.org/ Y2 - 2007 ER -