@article{a8d71174158644b68b2517d87d6484af,
title = "Time-dependent propensity score and collider-stratification bias: an example of beta(2)-agonist use and the risk of coronary heart disease",
keywords = "Econometric and Statistical Methods: General, Geneeskunde (GENK), Geneeskunde(GENK), Medical sciences, Bescherming en bevordering van de menselijke gezondheid",
author = "M.S. Ali and R.H.H. Groenwold and W.R. Pestman and S.V. Belitser and A.W. Hoes and {de Boer}, A. and O.H. Klungel",
year = "2013",
language = "Undefined/Unknown",
volume = "28",
pages = "291--299",
journal = "European Journal of Epidemiology",
issn = "0393-2990",
publisher = "Springer Netherlands",
number = "4",
}