@article{c667aaa942d54330bbd71c30173de8c2,
title = "The importance of cardiovascular disease for mortality in patients with COPD: a prognostic cohort study",
keywords = "Econometric and Statistical Methods: General, Geneeskunde(GENK), Medical sciences, Bescherming en bevordering van de menselijke gezondheid",
author = "J. Zhang and F.H. Rutten and M.J.M. Cramer and J.W.J. Lammers and N.P.A. Zuithoff and A.W. Hoes",
year = "2011",
doi = "10.1093/fampra/cmr024",
language = "English",
volume = "28",
pages = "474--481",
journal = "Family Practice",
issn = "0263-2136",
publisher = "Oxford University Press",
number = "5",
}