@article{Lu2014,
author = {Lu, Y. and Qin, L.},
title= {Healthy migrant and salmon bias hypotheses: a study of health and internal migration in China},
year = {2014},
doi = {10.1016/j.socscimed.2013.11.040},
journal = {Social Science and Medicine},
volume = {2},
number = {102},
pages = {41--8},
}