Impact of expanding syringe access in New York on sources of syringes for injection drug users in Harlem and the Bronx, NYC, USA

Sherry Deren, Crystal Fuller, Enrique R. Pouget, Shannon Blaney, Stephanie Tortu, Sung Yeon Kang, James M. McMahon, Jonny F. Andia, Don C. Des Jarlais, Bruce Johnson, Andrew Rosenblum, David Vlahov