Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control May 1997, 22 (3) 249-256; DOI: 10.1136/rapm-00115550-199722030-00010
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Jan 1997, 22 (1) 59-65; DOI: 10.1136/rapm-00115550-199722010-00009