Wagner, K. D., Lankenau, S. E., Palinkas, L. A., Richardson, J. L., Chou, C., & Unger, J. B. (2011). The influence of the perceived consequences of refusing to share injection equipment among injection drug users: Balancing competing risks.

Wagner, Karla D., Stephen E. Lankenau, Lawrence A. Palinkas, Jean L. Richardson, Chih-Ping Chou, and Jennifer B. Unger. The Influence of the Perceived Consequences of Refusing to Share Injection Equipment Among Injection Drug Users: Balancing Competing Risks. 2011.

Wagner, Karla D., et al. The Influence of the Perceived Consequences of Refusing to Share Injection Equipment Among Injection Drug Users: Balancing Competing Risks. 2011.