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Nakajima M, Jebena MG, Taha M, Tesfaye M, Gudina E, Lemieux A, et al. Correlates of khat use during pregnancy: A cross-sectional study. Addictive Behaviors. October 2017, 73: 178–184. PMID 28531823. doi:10.1016/j.addbeh.2017.05.008.
Scheduling Actions(PDF). Diversion Control Division. U.S. Department Of Justice, Drug Enforcement Administration (DEA). [2023-03-12]. (原始内容存档(PDF)于2023-02-14).
Scheduling Actions(PDF). Diversion Control Division. U.S. Department Of Justice, Drug Enforcement Administration (DEA). [2023-03-12]. (原始内容存档(PDF)于2023-02-14).