การดู
STDs: Chlamydia
3 Warning Signs of Genital Herpes
Haemophilus ducreyi (Chancroid) - an Osmosis Preview
STIs, Current Diagnosis and Treatment | The EM Boot Camp Course
STI Mythbusters: an expert gets real about what you need to know
Microbiology lectures |sexually transmitted disease |STD |
Syphilis | Clinical Presentation
Teens, Young Adults, and STDs video