@article{Casterline2001,
author = {Casterline, J.B. and Sathar, Z.A. and Haque, M.U.},
title= {Obstacles to contraceptive use in Pakistan: A study in Punjab},
year = {2001},
doi = {10.1111/j.1728-4465.2001.00095.x},
journal = {Studies in Family Planning},
volume = {32},
number = {2},
pages = {95--110},
}