RT Journal Article SR Electronic(1) A1 Jansen, Klaus A1 Schmidt, Axel J. A1 Drewes, Jochen A1 Bremer, Viviane A1 Marcus, Ulrich YR 2016 T1 Increased incidence of syphilis in men who have sex with men and risk management strategies, Germany, 2015 JF Eurosurveillance VO 21 IS 43 SP 30382 OP DO https://doi.org/10.2807/1560-7917.ES.2016.21.43.30382 UL https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2016.21.43.30382