They analyzed a drop of blood from the finger of 96 women recruited as part of a program to prevent the transmission of AIDS from mother to child.
Bahlaziye ithonsi legazi elithathwe eminweni yabesifazane abangama-96 abaqashwe njengengxenye yohlelo lokunqanda ukudluliswa kwengculazi isuka kumama iye enganeni.