@article{dc1f0b2222594eb8b5b867a41346637a,
title = "Randomised patients in irritable bowel syndrome research had different disease characteristics compared to eligible an recruited patients.",
keywords = "Econometric and Statistical Methods: General, Geneeskunde(GENK), Medical sciences, Bescherming en bevordering van de menselijke gezondheid",
author = "C.J. Bijkerk and J.W.M. Muris and J.A. Knottnerus and A.W. Hoes and \{de Wit\}, N.J.",
year = "2008",
language = "Undefined/Unknown",
volume = "61",
pages = "1176--1181",
journal = "Journal of Clinical Epidemiology",
issn = "0895-4356",
publisher = "Elsevier",
number = "11",
}