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von Horn A, Hathaway D, Richmond J, Chang G.von Horn A, et al. Among authors: chang g.Am J Drug Alcohol Abuse. 2024 Jan 2;50(1):117-122. doi: 10.1080/00952990.2023.2286584. Epub 2024 Feb 1.Am J Drug Alcohol Abuse. 2024.PMID: 38299775
Chang G, Martin KB, Tang M, Fleming JA.Chang G, et al.Am J Drug Alcohol Abuse. 2016;42(1):56-62. doi: 10.3109/00952990.2015.1088863. Epub 2015 Oct 20.Am J Drug Alcohol Abuse. 2016.PMID: 26485005
Chang G, Raffi E, Tang M, Fernando GI, Zucker J, Schein AZ.Chang G, et al.Am J Drug Alcohol Abuse. 2016 May;42(3):279-86. doi: 10.3109/00952990.2015.1089256. Epub 2015 Oct 30.Am J Drug Alcohol Abuse. 2016.PMID: 26516789