Journal Article
Vollmer, S., K. Harttgen, F. Alfven, J. Padayachy, P. Ghys, and T. Barnighausen.
"The HIV Epidemic in Sub-Saharan Africa is Aging: Evidence from the Demographic and Health Surveys in Sub-Saharan Africa." AIDS Behav 21, no. Suppl 1 (2017): 101-113.