Authors: Cheng, CJC Sia, ATH Lim, EHL Loke, GPY Tan, HM

Citation: Cjc. Cheng et al., Either sufentanil or fentanyl, in addition to intrathecal bupivacaine, provide satisfactory early labour analgesia, CAN J ANAES, 48(6), 2001, pp. 570-574