Thongsong, B. “The Depletion of Intracellular Glutamine by Methionine Sulfoximine on Amino Acid Uptake in Placental Cells (BeWo)”. The Thai Journal of Veterinary Medicine, vol. 42, no. 2, Aug. 2013, pp. 209-12, https://he01.tci-thaijo.org/index.php/tjvm/article/view/10955.