@article{Liu2009,
author = {Liu, Z. and Li, X. and Ge, X. },
title= {Left too early: The effects of age at separation from parents on Chinese rural children’s symptoms of anxiety and depression},
year = {2009},
doi = {10.2105/AJPH.2008.150474},
journal = {The American Journal of Public Health },
volume = {99},
number = {11},
pages = {2049},
}