Lankenau, S., S. Schrager, K. Silva, A. Kecojevic, J. Jackson Bloom, C. Wong, and E. Iverson. “Misuse of Prescription and Illicit Drugs Among High-Risk Young Adults in Los Angeles and New York”. Journal of Public Health Research, Vol. 1, no. 1, Feb. 2012, p. e6, doi:10.4081/jphr.2012.e6.