@article{Diaz2016,
author = {Diaz, C.J. and Koning, S.M. and Martinez-Donate, A.P. },
title= {Moving beyond salmon bias: Mexican return migration and health selection},
year = {2016},
doi = {10.1007/s13524-016-0526-2},
journal = {Demography },
volume = {53},
number = {6},
pages = {2005--2030},
}