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2. Risk factors for syphilis: cocaine use and prostitution;Rolfs;Am. J. Public Health,1990
3. Partner notification: can it control epidemic syphilis?;Andrus;Ann. Intern. Med.,1990
4. Congenital syphilis—New York City, 1986–1988;Centers for Disease Control;MMWR,1989
5. Rapid plasma reagin (RPR) 18 mm circle card test;Creighton,1990