@article{Seiber2002,
author = {Seiber, E. and Bertrand, J.},
title= {Access as a factor in differential contraceptive use between Mayans and ladinos in Guatemala},
year = {2002},
doi = {10.1093/heapol/17.2.167},
journal = {Health Policy and Planning},
volume = {17},
number = {2},
pages = {167--177},
}