References
- Lind B. Obstetrical analgesia in Norway. Acta Obstet Gynecol Scand 1970; 49: 231–4
- O'Driscoll K. An obstetrician's view of pain. Br J Anaesth 1975; 47: 1053–9
- Morgan B M, Bulpitt C J, Clifton P, Lewis P J. Analgesia and satisfaction in childbirth (the Queen Charlotte's 1000 mother survey). Lancet 1982; ii: 808–10
- Morgan B M, Bulpitt C J, Clifton P, Lewis P J. Effectiveness of pain relief in labour: survey of 1000 mothers. Br Med J 1982; 285: 689–90
- Beazley J M, Leaver E P, Morewood J H M, Bircumshaw J. Relief of pain in labour. Lancet 1967; i: 1033–5
- Kerner J, Ferris C B. An alternative birth center in a community teaching hospital. Obstet Gynecol 1978; 51: 371–3