@article{Kuo2008,
author = {Kuo, T.M. and Suchindran, C.M. and Koo, H.P.},
title= {The multistate life table method: An application to contraceptive switching behavior},
year = {2008},
doi = {10.1353/dem.2008.0013},
journal = {Demography},
volume = {45},
number = {1},
pages = {157--171},
}