Figure 1
From: Syphilis epidemiology in Norway, 1992-2008: resurgence among men who have sex with men
Number of early syphilis cases by sexual transmission routes in Norway (N = 558), 1992-2008.
Figure 1 | BMC Infectious Diseases
From: Syphilis epidemiology in Norway, 1992-2008: resurgence among men who have sex with men
Number of early syphilis cases by sexual transmission routes in Norway (N = 558), 1992-2008.