Financially supported by Guangdong Key project Foun-dation (No. 99049), and Medical Research Foundation ofGuangdong Province (No. B2001100).
Objectives: To understand genital ulcer disease(GUD) among patients attending sexually transmitteddisease (STD) clinics in Guangzhou, China, and itsassociation with HIV infection.Methods: Between September 9th, 1997 a...