EXTERNAL PUBLICATION Trends in the medical use of synthetic cannabinoids among older adults in Ontario, Canada Sommer DM, Zipursky JS, Giannakeas V, Watt JA, Rochon PA, Stall NM. Ann Intern Med. 2020; 13(7):589-91. Epub 2020 Jul 20. DOI: https://doi.org/10.7326/M20-0598 No abstract available.