görüntüleme
Doctor explains the Symptoms and Stages of SYPHILIS (STI)
Syphilis - Pathophysiology, Diagnosis and Treatments, Animation
STI Mythbusters: an expert gets real about what you need to know
STDs: Syphilis Treatment
Doctor explains SYMPTOMS of CHLAMYDIA in men and women
Syphilis | Clinical Presentation
Microbiology of sexual transmitted diseases
Chancroid (sexually transmitted disease or infection)