@article{Upadhyay2005,
author = {Upadhyay, U.D. and Hindin, M.J.},
title= {Do higher status and more autonomous women have longer birth intervals?},
year = {2005},
doi = {10.1016/j.socscimed.2004.11.032},
volume = {60},
number = {11},
pages = {2641--2655},
}