Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Sep 1997, 22 (5) 479-482; DOI: 10.1136/rapm-00115550-199722050-00015
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Jul 1996, 21 (4) 355-357; DOI: 10.1136/rapm-00115550-199621040-00015