| http://www.w3.org/ns/prov#value | - This and a previous study were conducted in urban centers in California in which drug use and sexual behavior patterns among MSM are relatively similar.17 For instance, use of such substances as heroin and cocaine may be more prevalent among MSM in the eastern United States, whereas methamphetamine use may be more prevalent among those on the West Coast.13,24 There is a need for more studies that
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