情境性同性恋
situational homosexuality
螺杆菌菌属特异性16SrRNA
Helicobacter genus-specific 16 SrRNA
反对同性恋歧视
fight discrimination against homosexuals
男男同性恋
Gay men
men who have sex with men
MSM homosexuality
Man having sex with man MSMs
男同性恋者
Male homosexuals
men who have sex with men
berdache