TY - RPRT TI - Commentary: Modelling and understanding differences in human immunodeficiency and hepatitis C virus epidemiology in injection drug users. AU - Marcel Zwahlen AU - David Vlahov PY - 2003 DO - 10.1093/ije/dyg169 UR - https://pubmed.ncbi.nlm.nih.gov/14559737/ ID - 14559737 ER -