Preparation of sustained-release injection of Venenum Bufonis and its local anesthetic activity Determination of five active components in Venenum Bufonis from different habitats by HPLC Advances in study on Venenum Bufonis Preparation of sustained-release injection of Venenum Bufonis and its local anesthetic activity Advances in studies on Bufo bufo gargarizans Determination of Resibufogenin and Cinobufagin in Venenum Bufonis by HPLC Study on the Preparation of Venenum Bufonis β-Cyclodextrin Inclusion Complexes