Goodman-Meza, D., Shover, C. L., Medina, J. A., Tang, A. B., Shoptaw, S., & Bui, A. A. T. (2022). Development and Validation of Machine Models Using Natural Language Processing to Classify Substances Involved in Overdose Deaths. JAMA network open, 5(8), e2225593. https://doi.org/10.1001/jamanetworkopen.2022.25593