Kamarashev, J., Riess, C., Mosimann, J., & Läuchli, S. (2010). Lymphogranuloma venereum in Zurich Switzerland: Chlamydia trachomatis serovar L2 proctitis among men who have sex with men. Swiss Medical Weekly, 140(1314), 209–209. https://doi.org/10.4414/smw.2010.12962