PT - JOURNAL ARTICLE AU - Lehner, T TI - Oral ulceration and Behçet's syndrome. AID - 10.1136/gut.18.6.491 DP - 1977 Jun 01 TA - Gut PG - 491--511 VI - 18 IP - 6 4099 - http://gut.bmj.com/content/18/6/491.short 4100 - http://gut.bmj.com/content/18/6/491.full SO - Gut1977 Jun 01; 18