@article{Pickles2010,
author = {Pickles, A. and Croudace, T.},
title= {Latent mixture models for multivariate and longitudinal outcomes},
year = {2010},
doi = {10.1177/0962280209105016},
journal = {Statistical Methods in Medical Research},
volume = {19},
number = {3},
pages = {271--289},
}