About 934,000 results
Syphilis - Symptoms and causes - Mayo Clinic
Syphilis: Cause, Symptoms, Diagnosis, Treatment & Prevention
Syphilis - World Health Organization (WHO)
Syphilis - Wikipedia
Syphilis: Symptoms, Causes, Diagnosis, Treatment - WebMD
Syphilis: Symptoms, Diagnosis, Treatment, and Prevention - Healthline
STD Facts - Syphilis - Centers for Disease Control and Prevention
Syphilis -- Global - World Health Organization (WHO)
Detailed STD Facts - Syphilis - Centers for Disease Control and Prevention
Syphilis - Diagnosis and treatment - Mayo Clinic