Estimating the regional distribution of men who have sex with men (MSM) based on Internet surveys
Ulrich Marcus, Axel J Schmidt, Osamah Hamouda, Michael BochowVolume:
9
Language:
english
DOI:
10.1186/1471-2458-9-180
Date:
December, 2009
File:
PDF, 475 KB
english, 2009