@article{Barber2011,
author = {Barber, J.S. and Kusunoki, Y. and Gatny, H.H.},
title= {Design and implementation of an online weekly journal to study unintended pregnancies},
year = {2011},
doi = {10.1553/populationyearbook2011s327},
volume = {9},
pages = {327--334},
}