Figure 3.

Rates of gonorrhea among men in San Francisco, 1999-2008. (A) Cases of gonorrhea among men who have sex with men (MSM) per 100,000. (B) Cases of chlamydia among non-MSM per 100,000.

Scott et al. BMC Public Health 2010 10:315   doi:10.1186/1471-2458-10-315
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