Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control May 1990, 15 (3) 147-149; DOI: 10.1136/rapm-00115550-199015030-00009
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Jul 1982, 7 (3) 103-106; DOI: 10.1136/rapm-00115550-198207030-00004
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Jul 1983, 8 (3) 104-108; DOI: 10.1136/rapm-00115550-198308030-00003
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Jul 1981, 6 (3) 99-103; DOI: 10.1136/rapm-00002370-198107000-00003