Hess, K. L., Gorbach, P. M., Manhart, L. E., Stoner, B. P., Martin, D. H., & Holmes, K. K. (2012). Risk Behaviors by Type of Concurrency among Young People in Three US STD Clinics.

Hess, Kristen L., Pamina M. Gorbach, Lisa E. Manhart, Bradley P. Stoner, David H. Martin, ja King K. Holmes. Risk Behaviors By Type of Concurrency Among Young People in Three US STD Clinics. 2012.

Hess, Kristen L., et al. Risk Behaviors By Type of Concurrency Among Young People in Three US STD Clinics. 2012.