LIU Dan, FENG Jian-fang Dual Wavelength TLC Densitometric Determination of Chansu (Venenum Bufonis)Contents in Shenqiaining Injection Optimization preparation of chansu-loaded solid lipid nanoparticles by central composite design and response surface method Clinical re-evaluation of effects of different treatments to prevent from phlebitis induced by Chansu injection Determination of bufothionine in Skin of Bufo bufo gargarizans and Huachansu injection