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. 2021 Jan 22;11:623672. doi: 10.3389/fpsyt.2020.623672

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Copyright © 2021 Hitchcock, Tracy, Bryan, Hutchison and Bidwell.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Study timeline displaying the: Baseline session at the campus lab, followed by purchase of cannabis concentrate (70 or 90% THC) at a local dispensary, ~5 days of ad libitum use, and the subsequent Experimental session in the mobile lab, including the pre-concentrate use (Pre-Use) timepoint followed by in-home participant ad libitum use of concentrate, and two post-concentrate use timepoints (Acute Post-Use and 1 h Post-Use). (B) Photograph of the Mobile Lab, a high-top cargo van retrofitted with a Wi-Fi hotspot, hand rail and stair step, ice cooler, electrical outlets, a reclining phlebotomy chair, sterile equipment, and a chair/table for motor testing.