@article{Liu2005,
author = {Liu, J. and Larsen, U. and Wyshak, G.},
title= {Prevalence of primary infertility in China: In-depth analysis of infertility differentials in three minority province/autonomous regions},
year = {2005},
doi = {10.1017/S0021932003006461},
journal = {Journal of Biosocial Science},
volume = {37},
number = {1},
pages = {55--74},
}