Realgar is active ingredient of Angong Niuhuang pill in protection against LPS-induced neuroinflammation Effect of Angong Niuhuang pill and heavy metal constituents on EcoG of brain damage caused by LPS in rats Simultaneous determination of geniposide,baicalin and berberine hydrochloride in Angong Niuhuang pill by RP-HPLC TLC-Colorimetric Assay of Cholic Acid in Bezoar and Angong Niuhuang Pills Comparative Studies on Pharmacological Effects of Angong Niuhuang Pill with Its Simplified Prescicription Absorption and Distribution of Mercury and Arsenic from Realgar and Cinnabar of Angong Niuhuang Pill in Normal Rats and Rats with Cerebral Ischemia