RT Journal Article SR Electronic T1 Letters to the Editor JF Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 44 OP 44 DO 10.1136/rapm-00002370-198101000-00014 VO 6 IS 1 A1 Alexandre Polet A1 Hong Nhung Nguyen YR 1981 UL http://rapm.bmj.com/content/6/1/44.1.abstract AB