Johannes B.M.Harbers, HansFolgering, Mathieu J.M.Gielen, Marcel A.W.M.Hasenbos, RisDirksen, CeesGort
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Mar 1991, 16 (2) 65-71; DOI: 10.1136/rapm-00115550-199116020-00001