PT - JOURNAL ARTICLE AU - Khalili, Hamed AU - Chan, Andrew T TI - Author response: oral contraceptives and Crohn’s disease AID - 10.1136/gutjnl-2014-308509 DP - 2015 May 01 TA - Gut PG - 854--854 VI - 64 IP - 5 4099 - http://gut.bmj.com/content/64/5/854.2.short 4100 - http://gut.bmj.com/content/64/5/854.2.full SO - Gut2015 May 01; 64