Johnston Lisa, Grigoryan Samvel, Papoyan Arshak, Grigoryan Trdat, Balayan Tatevik, Zohrabyan Lev
Global Health Sciences, University of California, San Francisco, USA; School of International Public Health and Tropical Medicine, Tulane University, New Orleans, USA.
National AIDS Center, Yerevan, Armenia.
Int J Drug Policy. 2014 Jul;25(4):740-3. doi: 10.1016/j.drugpo.2014.02.004. Epub 2014 Feb 15.