A Study on Arsenic and Arsenic-Containing Mineral Medicines Referenced in Ancient Books of Traditional Mongolian Medicine, Ayush, Sainjargal, Erdenechimeg Selenge, Wuliji Ao, Naranmandura Hua, Sharav Bold, and Bold Javkhlan , Pharmacognosy Journal, December 2025, Volume 17, Issue 6, p.270-274, (2025)