An Open Study Comparison of 0.5%, 0.75% and 1.0% Ropivacaine, with Epinephrine, in Epidural Anesthesia in Patients Undergoing Urologic Surgery
Hans E.M. Kerkkamp, Kjell H. Axelsson, Hakan H. Edstrom, Mathieu J.M. Gielen, William Dirkes, Magnus Wattwil, Henrik Kehlet
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Mar 1990, 15 (2) 53-58; DOI: 10.1136/rapm-00115550-199015020-00001