An Evaluation of Epidural Bupivacaine with and without Meperidine in Labor
P. Brownridge, J. Plummer, Jill Mitchell, P. Marshall
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Jan 1992, 17 (1) 15-21; DOI: 10.1136/rapm-00115550-199217010-00003