The cloning and expression of WUE-related gene (PdEPF1) in Populus deltoides×Populus nigra Characters and its authentication value of stem epidermal cell of medicinal plant in Dendrobium Sw. and their adulterants Effect of DACHENGQITANG* on phosphodiesterase in enteral smooth muscle cell in rats Sequence Analysis of Δ9-Stearoyl-ACP Desaturase Gene (SAD) in Peanut Experimental Study on the Cardiotonic Action of Extract from Codonopsis pilosula( Franch.)Nannf. Characters and its authentication value of stem epidermal cell of medicinal plant in Dendrobium Sw. and their adulterants