共 10 条
[2]
*CDCP, 2002, MMWR-MORBID MORTAL W, V51, P33
[4]
Kjær HO, 2000, SEX TRANSM INFECT, V76, P169, DOI 10.1136/sti.76.3.169
[5]
Macleod J, 1999, BRIT J GEN PRACT, V49, P455