Risk factors for syphilis infection in men who have sex with men: results of a case–control study in Lille, France

K Champenois, A Cousien, B Ndiaye… - Sexually transmitted …, 2013 - sti.bmj.com
Background Substantial increases in syphilis have been reported since the early 2000s in
northern countries, particularly among men who have sex with men (MSM). The authors …