@article{Ridgeway2015,
author = {Ridgeway, G. and Kovalchik, S.A. and Griffin, B.A. and Kabeto, M.U.},
title= {Propensity score analysis with survey weighted data},
year = {2015},
doi = {10.1515/jci-2014-0039},
volume = {3},
number = {2},
pages = {237--249},
}