Figure 1From: Racial/ethnic and sexual behavior disparities in rates of sexually transmitted infections, San Francisco, 1999-2008 Rates of chlamydia among men in San Francisco, 1999-2008. (A) Cases of chlamydia among men who have sex with men (MSM) per 100,000. (B) Cases of chlamydia among non-MSM per 100,000.Back to article page