Effect of Rabdosia eriocalyx (Dunn) Hara on Blood Pressure and Vascular Smooth Muscle Study on the chemical constituents of the volatile oil from aerial parts of Isodon eriocalyx var.laxiflora A New ent - Kauranoid from Isodon eriocalyx var. laxiflora The Variation and Ecochemistry of Rabdosia eriocalyx THE QUANTITATIVE ANALYSIS OF DITERPENOIDS FROM RABDOSIA ERIOCALYX BY HPLC NEW DITERPENOID CONSTITUENTS OF RABDO8IA ERI0CALYX Ent-Kaurene Diterpenoids from Rabdosia eriocalyx Studies on chemical constituents of Isodon eriocalyx var. laxiflora