TY - JOUR T1 - The Oesophago-gastric Sphincter after Cardiomyotomy JF - Thorax JO - Thorax SP - 125 LP - 131 DO - 10.1136/thx.14.2.125 VL - 14 IS - 2 AU - Michael Atkinson Y1 - 1959/06/01 UR - http://thorax.bmj.com/content/14/2/125.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -