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Kristiansson B, Abdul Ghani N, Eriksson M, Garle M, Qirbi A (September 1987). "Use of khat in lactating women: a pilot study on breast-milk secretion". Journal of Ethnopharmacology. 21 (1): 85–90. doi:10.1016/0378-8741(87)90097-3. PMID3695559.
Nakajima M, Jebena MG, Taha M, Tesfaye M, Gudina E, Lemieux A, et al. (October 2017). "Correlates of khat use during pregnancy: A cross-sectional study". Addictive Behaviors. 73: 178–184. doi:10.1016/j.addbeh.2017.05.008. PMID28531823.
Kristiansson B, Abdul Ghani N, Eriksson M, Garle M, Qirbi A (September 1987). "Use of khat in lactating women: a pilot study on breast-milk secretion". Journal of Ethnopharmacology. 21 (1): 85–90. doi:10.1016/0378-8741(87)90097-3. PMID3695559.