@article{Su2011,
author = {Su, D. and Richardson, C. and Wen, M. and Pagán, J.A. },
title= {Cross-border utilization of health care: Evidence from a population-based study in south Texas},
year = {2011},
doi = {10.1111/j.1475-6773.2010.01220.x},
journal = {Health Services Research },
volume = {46},
number = {3},
pages = {859--876},
}