@article{Ahmed2010,
author = {Ahmed, S. and Creanga, A.A.
 and Gillespie, D.G. and Tsui, A.O.},
title= {Economic status, education and empowerment: Implications for maternal health service utilization in developing countries},
year = {2010},
doi = {10.1371/journal.pone.0011190},
volume = {5},
number = {6},
pages = {e11190},
}