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2. Early syphilis-Broward County, Florida;Centers for Disease Control;MMWR,1987
3. Increases in primary and secondary syphilis-United States;Centers for Disease Control;MMWR,1987
4. Continuing increase in infectious syphilis-United States;Centers for Disease Control;MMWR,1988
5. Syphilis and congenital syphilis-United States, 1985–1988;Centers for Disease Control;MMWR,1988