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Beijing Ditan Hospital
13 Ditan Park, Andingmenwai, Dongcheng District, Beijing
010-6422 6966
                                                  
Beijing Center for Disease Control and Prevention
16 Hepingli Zhongjie, Dongcheng District, Beijing
010-6421 2461 ext. 568

Beijing Institute of STI
8 Xitoutiao, You'anmenwai, Beijing
010-6329 3376
                                                                  
Beijing Association of STI and AIDS Prevention
16 Hepingli Zhongjie, Dongcheng District, Beijing
010-6223 8683

Beijing Youan Hospital
8 Xitoutiao, You'anmenwai, Beijing
010-6329 3374

(China.org.cn December 17, 2004)