Trenz, R. C., Scherer, M., Duncan, A., Harrell, P., Moleko, A. G., & Latimer, W. (2013). Latent Class Analysis of Polysubstance Use, Sexual Risk Behaviors, and Infectious Disease Among South African Drug Users.

Trenz, Rebecca C., Michael Scherer, Alexandra Duncan, Paul Harrell, Anne Gloria Moleko, ja William Latimer. Latent Class Analysis of Polysubstance Use, Sexual Risk Behaviors, and Infectious Disease Among South African Drug Users. 2013.

Trenz, Rebecca C., et al. Latent Class Analysis of Polysubstance Use, Sexual Risk Behaviors, and Infectious Disease Among South African Drug Users. 2013.