@article{Marcus2015,
author = {Marcus, Ulrich and Gassowski, Martyna and Kruspe, Martin and Drewes, Jochen},
year = {2015},
language = {eng},
copyright = {http://creativecommons.org/licenses/by/4.0/},
title = {Recency and frequency of HIV testing among men who have sex with men in
Germany and socio-demographic factors associated with testing behaviour},
url = "http://dx.doi.org/10.17169/refubium-18966",
}