Determination of Resibufogenin and Cinobufagin in Venenum Bufonis by HPLC Tissue distribution of cinobufaginin vivo in rats Pharmacokinetic study on bufadienolides of bufalin, cinobufagin,and resibufogenin from Bufonis Venenum in rats in vivo Determination of resibufogenin and cinobufagin in MEIHUA DIANSHE PILL by RP-HPLC Extracting technology of bufadienolides in Bufo Corium Study on quality standards for Lingmaoxiang Jiedu pills Studies on Chemical Constituents of Bufo Siccus LIU Dan, FENG Jian-fang Pharmacokinetic study on bufadienolides of bufalin, cinobufagin, and resibufogenin from Bufonis Venenum in rats in vivo Determination of five active components in Venenum Bufonis from different habitats by HPLC