PT - JOURNAL ARTICLE AU - G E Boeckxstaens TI - Novel mechanism for impaired nitrergic relaxation in achalasia AID - 10.1136/gut.2005.078402 DP - 2006 Mar 01 TA - Gut PG - 304--305 VI - 55 IP - 3 4099 - http://gut.bmj.com/content/55/3/304.short 4100 - http://gut.bmj.com/content/55/3/304.full SO - Gut2006 Mar 01; 55