The national venereal disease problem.
D000367:Age Factors; D005260:Female; D005380:Financing, Government; D006069:Gonorrhea / Q000453:epidemiology* / Q000517:prevention & control; D006801:Humans; D008297:Male; D010406:Penicillins / Q000627:therapeutic use; D013587:Syphilis / Q000188:drug therapy / Q000453:epidemiology* / Q000517:prevention & control; D014481:United States; D014505:Urban Population
D010406:Penicillins