Psychosocial and demographic correlates of drug use in a sample of HIV-positive adults ages 50 and older
Prevention Science (2013) - Comment
pubmed: 23408281  doi: 10.1007/s11121-012-0338-6  issn: 1573-6695  issn: 1389-4986 

Daniel E. Siconolfi, Perry N. Halkitis, Staci C. Barton, Molly J. Kingdon, Rafael E. Perez-Figueroa, Vanessa Arias-Martinez, Stephen Karpiak, Mark Brennan-Ing