Simultaneously determination of atropine sulphate,diphenhydramine hydrochloride, capsaicin and dihydrocapsaicin in pain-relieving plaster for arthritis by RP-HPLC Atropine sulfate against toxicity of mesaconitine by fluorescence spectra Determination of in vitro release rule of new type Shangshi Zhitong Plaster Determination of in vitro release rule of new type Shangshi Zhitong Plaster Determination of scopolamine and atropine in Flos Daturae by RP-HPLC Comparative Study of Contents of Four Tropane Alkaloids in Cultural and Wild Anisodus tanguticus Atropine sulfate against toxicity of mesaconitine by fluorescence spectra Simultaneous determination of scopolamine hydrobromide, atropine sulfate, ephedrine hydrochloride and pseudoephedrine hydrochloride in Zhichuanling oral liquid with HPLC