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.
2010 National Survey of Syringe Exchange Programs: Summary of Results Don C. Des Jarlais, Vivian Guardino, Ann Nugent, Kamyar Arasteh, David Purchase This.
