Beck, E. C., Birkett, M., Armbruster, B., & Mustanski, B. (2015). A Data-Driven Simulation of HIV Spread Among Young Men Who Have Sex With Men: Role of Age and Race Mixing and STIs. JAIDS Journal of Acquired Immune Deficiency Syndromes, 70(2), 186-194. doi: 10.1097/QAI.0000000000000733. PMID: 26102448; PMCID: PMC4573360.
         »Find it online: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4573360/