Keywords Genital ulcer diseases;Treponema pallidum;Herpes simplex virus;Hemo philus ducreyi;Human immunodeficiency virus;

• 生殖器溃疡性疾病;梅毒螺旋体;单纯疱疹病毒;杜克雷嗜血杆菌;人类免疫缺陷病毒;