共 31 条
[1]
[Anonymous], GUANGDONG PROVINCE 1
[2]
Bang R, 1989, INT J GYNECOL OBSTET, V3, P125
[4]
Chen B, 2006, INT J GYNECOL OBSTET, V92, P186
[5]
China Statistics Press, 2008, CHINA POPULATION EMP
[6]
Commission GMDR, 2008, STAT GUANGZH CIT POP
[9]
Decosas J, 1998, AIDS Anal Afr, V8, P6
[10]
Fang J, 1997, CHIN PRIM HLTH CARE, V11, P45