PT  - JOURNAL ARTICLE
AU  - Z X Bian
TI  - Stratification by sex and subgroup is necessary for RCT on IBS
DP  - 2006 May 01
TA  - Gut
PG  - 743--744
VI  - 55
IP  - 5
4099  - http://gut.bmj.com/content/55/5/743.short
4100  - http://gut.bmj.com/content/55/5/743.full
SO  - Gut2006 May 01; 55