@article{Gao2013,
author = {Gao, Y. and Li, L. and Chan, E.Y.Y. and Lau, J. and Griffiths, S.M. },
title= {Parental migration, self-efficacy and cigarette smoking among rural adolescents in south China},
year = {2013},
doi = {10.1371/journal.pone.0057569},
journal = {PLoS ONE },
volume = {8},
number = {3},
pages = {e57569},
}