Measuring improvement in knowledge of drug policy reforms following a police education program in Tijuana, Mexico

J. Arredondo, S. A. Strathdee, J. Cepeda, D. Abramovitz, I. Artamonova, E. Clairgue, E. Bustamante, M. L. Mittal, T. Rocha, A. Bañuelos, H. O. Olivarria, M. Morales, G. Rangel, C. Magis, L. Beletsky