@article{van Dijk2005,
author = {van Dijk, P.T. and Mehr, D.R. and Ooms, M.E. and Madsen, R. and Petroski, G. and Frijters, D.H. and Pot, A.M. and Ribbe, M.W.},
title= {Comorbidity and 1-year mortality risk in nursing home residents},
year = {2005},
doi = {10.1111/j.1532-5415.2005.53216.x},
journal = {Journal of the American Geriatrics Society},
volume = {53},
number = {4},
pages = {660--665},
}