@article{Ezoe2012,
author = {Ezoe, S. and Morooka, T. and Noda, T. and Sabin, M.L. and Koike, S.},
title= {Population size estimation of men who have sex with men through the Network Scale-Up method in Japan},
year = {2012},
doi = {10.1371/journal.pone.0031184},
volume = {7},
number = {1},
pages = {e31184},
}