title: Relationship of syphilis to drug use and prostitution: Connecticut and Philadelphia, Pennsylvania. Centers for Disease Control.
mesh_terms: D003237:Connecticut; D005260:Female; D006801:Humans; D008297:Male; D015143:Philadelphia; D011477:Sex Work; D019966:Substance-Related Disorders / Q000453:epidemiology*; D013587:Syphilis / Q000453:epidemiology*