@misc{indiciae383044000287, title = {STD research in Africa.}, author = {H Grosskurth and F Plummer and F Mhalu and D Mabey}, year = {1993}, doi = {10.1016/0140-6736(93)92767-n}, url = {https://pubmed.ncbi.nlm.nih.gov/7901691/}, note = {Source identifier: 7901691} }