Frontiers in Psychiatry
Open Access Publication
Ellis, Matthew S; Kasper, Zachary A; and Scroggins, Stephen, ,"Shifting pathways of stimulant use among individuals with opioid use disorder: A retrospective analysis of the last thirty years." Frontiers in Psychiatry. 12,. . (2021).
Supplemental Table 1. Demographic comparison between those who used multiple substances in the year of initial drug exposure (excluded) vs. a single substance (included).