RT Journal Article SR Electronic T1 Difference in seroprevalence of herpes simplex virus type 2 infection among antenatal women in Hong Kong and southern China. JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 123 OP 123 VO 75 IS 2 A1 J Y Lo A1 W W Lim A1 D W Ho A1 P R Field A1 A L Cunningham YR 1999 UL http://sti.bmj.com/content/75/2/123.abstract