Don C. Des Jarlais, Vivian Guardino, Ann Nugent and Alisa Solberg The Dave Purchase Memorial 2012 National Survey of Syringe Exchange Programs: Summary.
2011 National Survey of Syringe Exchange Programs: Summary of Results Don C. Des Jarlais, Vivian Guardino, Ann Nugent, Kamyar Arasteh, David Purchase This.
Current State of Syringe Exchange in the Known Universe Don C. Des Jarlais, Vivian Guardino, Kamyar Arasteh, Courtney McKnight, Judith Milliken and David.
