RT Journal Article SR Electronic T1 Preventing mother to child transmission of HIV: the role of caesarean section JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 231 OP 232 DO 10.1136/sti.76.4.231 VO 76 IS 4 A1 Read, Jennifer S YR 2000 UL http://sti.bmj.com/content/76/4/231.abstract AB