PT - JOURNAL ARTICLE AU - John R Bennett TI - The Esophagus: Reflux and Primary Motor Disorders AID - 10.1136/gut.22.8.696 DP - 1981 Aug 01 TA - Gut PG - 696--696 VI - 22 IP - 8 4099 - http://gut.bmj.com/content/22/8/696.1.short 4100 - http://gut.bmj.com/content/22/8/696.1.full SO - Gut1981 Aug 01; 22