PT - JOURNAL ARTICLE AU - Blaser, Martin J AU - Chen, Yu AU - Reibman, Joan TI - Does <em>Helicobacter pylori</em> protect against asthma and allergy? AID - 10.1136/gut.2007.133462 DP - 2008 May 01 TA - Gut PG - 561--567 VI - 57 IP - 5 4099 - http://gut.bmj.com/content/57/5/561.short 4100 - http://gut.bmj.com/content/57/5/561.full SO - Gut2008 May 01; 57