@article{Lash2007,
author = {Lash, T.L. and Mor, V. and Wieland, D. and Ferrucci, L. and Satariano, W. and Silliman, R.A.},
title= {Methodology, design and analytical techniques to address measurement of comorbid disease},
year = {2007},
journal = {Journal of Gerontology: Medical Sciences},
volume = {62A},
number = {3},
pages = {281--285},
}