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Lankenau, Stephen E., Karla D. Wagner, Karol Silva, Aleksander Kecojevic, Ellen Iverson, Miles McNeely, e Alex H. Kral. Injection Drug Users Trained By Overdose Prevention Programs: Responses to Witnessed Overdoses. 2013.

Lankenau, Stephen E., et al. Injection Drug Users Trained By Overdose Prevention Programs: Responses to Witnessed Overdoses. 2013.