Kamarashev, J, CE Riess, J Mosimann, and S Läuchli. 2010. “Lymphogranuloma Venereum in Zurich Switzerland: Chlamydia Trachomatis Serovar L2 Proctitis Among Men Who Have Sex With Men”. Swiss Medical Weekly 140 (1314):209-9. https://doi.org/10.4414/smw.2010.12962.