Papp, M. A., Leff, J. A., Murphy, S. M., Yang, A., Crane, H. M., Metsch, L. R., Del Rio, C., Feaster, D. J., Rich, J. D., Schackman, B. R., & McCollister, K. E. (2021). Harmonizing healthcare and other resource measures for evaluating economic costs in substance use disorder research. Substance Abuse Treatment, Prevention, and Policy, 16(1). https://doi.org/10.1186/s13011-021-00356-z

Fredericksen, R. J., Whitney, B. M., Trejo, E., Nance, R. M., Fitzsimmons, E., Altice, F. L., Carrico, A. W., Cleland, C. M., Del Rio, C., Duerr, A., El-Sadr, W. M., Kahana, S., Kuo, I., Mayer, K., Mehta, S., Ouellet, L. J., Quan, V. M., Rich, J., Seal, D. W., … Delaney, J. A. C. (2021). Individual and poly-substance use and condomless sex among HIV-uninfected adults reporting heterosexual sex in a multi-site cohort. BMC Public Health, 21(1). https://doi.org/10.1186/s12889-021-12026-7