3Williams H,Tabrizi SN,Lee W,et al.Adolescence and other risk factors for Chlamydia trachomatis genitourinary infection in women in Melbourne,Australia[J].Sex Transm Infect,2003,79(1):31-34.
4American Academy of Pediatrics:Committee on Child Abuse and Neglect.Gonorrhea in prepubertal children[J].Pediatrics,1998,101(2):134-135.
5UNAIDS.AIDS Epidemic update December 2002,Geneva Switzerland[J].Joint UNAIDS and WHO,2002:7-24.
6UNICEF Editorial and Publications Section,Division of Communication.Young people and HIV/AIDS opportunity in crisis,New York USA:UNICEF[J],Joint UNAIDS and WHO,2002,34-35.
7American Academy of Pediatrics:Committee on Adolescence.Adolescence pregnancy:current trends and issues:1998[J].Pediatrics,1999,103:516-520.
8WHO.Challenges in reproductive health.Biennial Report 1992,1993[R].Geneva:WHO,1994,12.