PT - JOURNAL ARTICLE AU - Collier, Clive AU - Sakker, Samuel TI - Letters to the Editor AID - 10.1136/rapm-00002370-198101000-00016 DP - 1981 Jan 01 TA - Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control PG - 44--45 VI - 6 IP - 1 4099 - http://rapm.bmj.com/content/6/1/44.3.short 4100 - http://rapm.bmj.com/content/6/1/44.3.full SO - Reg Anesth Pain Med1981 Jan 01; 6