Collins, C. L. C., Kerr, T., Tyndall, M. W., Marsh, D. C., Kretz, P. S., Montaner, J. S., & Wood, E. (2005). Rationale to Evaluate Medically Supervised Safer Smoking Facilities for Non-injection Illicit Drug Users. Can J Public Health.

Collins, Courtney L. C., Thomas Kerr, Mark W. Tyndall, David C. Marsh, Patricia S. Kretz, Julio S. Montaner, e Evan Wood. "Rationale to Evaluate Medically Supervised Safer Smoking Facilities for Non-injection Illicit Drug Users." Can J Public Health 2005.

Collins, Courtney L. C., et al. "Rationale to Evaluate Medically Supervised Safer Smoking Facilities for Non-injection Illicit Drug Users." Can J Public Health 2005.