Rojanapanthu, Pattareewan, Nattaporn Sampattavanich, and Kobkul Aunhachoke. 2018. “Argyria from Overindulgence of a Breath Freshener”. Thai Journal of Dermatology 34 (3):217-24. https://he02.tci-thaijo.org/index.php/TJD/article/view/158898.