1. World Health Organization. WHO Prevalence and Incidence of Selected Sexually Transmitted Infections in 2005, WHO Geneva, 2010 (in press)
2. An estimate of the global prevalence and incidence of herpes simplex virus type 2 infection;Looker;Bull World Health Organ,2008
3. How reliable is the morphological diagnosis of penile ulceration?;Chapel;Sex Transm Dis,1977
4. Presumptive specific clinical diagnosis of genital ulcer disease (GUD) in a primary health care setting in Nairobi;Ndinya-Achola;Int J STD AIDS,1996
5. Genital ulcer disease: accuracy of clinical diagnosis and strategies to improve control in Durban, South Africa;O’Farrell;Genitourin Med,1994