@article{Hacker2015,
author = {Hacker, K. and Anies, M. and Folb, B.L. and Zallman, L.},
title= {Barriers to health care for undocumented immigrants: A literature review},
year = {2015},
doi = {10.2147/RMHP.S70173},
volume = {8},
pages = {175--183},
}