Tie B R, Niu F X
Faculty of Chinese Pharmacy, Beijing College of Traditional Chinese Medicine.
Zhongguo Zhong Yao Za Zhi. 1992 Dec;17(12):725-6, 763.
The results have revealed that arsenic content in pig cishi is about 11 times that in the calcinated samples. Therefore the toxic effect of cishi is eliminated or reduced after it is calcinated.