@article{Boivin2007,
author = {Boivin, J. and Bunting, L. and Collins, J.A. and Nygren, K.G.},
title= {International estimates of infertility prevalence and treatment-seeking: potential need and demand for infertility medical care},
year = {2007},
doi = {10.1093/humrep/dem046},
volume = {22},
number = {6},
pages = {1506--1512},
}