TY - GEN AU - Li,D F AU - Rees,G A AU - Rosen,M TI - Continuous extradural infusion of 0.0625% or 0.125% bupivacaine for pain relief in primigravid labour SN - 0007-0912 PY - 1985///0521 KW - Adult KW - Anesthesia, Epidural KW - Anesthesia, Obstetrical KW - Bupivacaine KW - administration & dosage KW - Female KW - Humans KW - Infusions, Parenteral KW - Labor, Obstetric KW - Parity KW - Pregnancy KW - Time Factors N1 - Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial UR - https://doi.org/10.1093/bja/57.3.264 ER -