Das, M.; Khanna, S. K. (1997). "Clinicoepidemiological, Toxicological, and Safety Evaluation Studies on Argemone Oil". Critical Reviews in Toxicology. 27 (3): 273–297. doi:10.3109/10408449709089896. PMID9189656.
Free translation of Purse Peony, number 70 in the poem cycle Poems of a Hundred Flowers by Wáng Wényīng, (pen name: Wenjun, net name: Qingqing Xiaoxi) a contemporary Chinese poet native to Ma'anshan, Anhui Province but residing in Beijing. https://www.jianshu.com/p/d52ef0958131 Retrieved at 9.56 on Friday 26/3/22.
Das, M.; Khanna, S. K. (1997). "Clinicoepidemiological, Toxicological, and Safety Evaluation Studies on Argemone Oil". Critical Reviews in Toxicology. 27 (3): 273–297. doi:10.3109/10408449709089896. PMID9189656.