Calcium antagonizing effect of Compound Danshen Sustained-release Tablet and comprehensive evaluation of sustained-release effect in vitro Ca2+ INFLUX AND EFFLUX IN ANIMAL CELLS IN THE PRESENCE OF Panax notoginseng EXTRACTS: INVESTIGATED BY USING 45Ca AS A RADIOACTIVE TRACER The Protective Effects of Paeonol on Cultured Neonatal Rat Heart Cells During Calcium Paradox The Influences of BnTR1 on Ca2+ Absorption of Rapes: Preliminary Investigation by 45 Ca Effects of Neferine on the 45Ca influx and Efflux Induced by Activation of α-1 Adrenoceptor of Vascular Smooth Muscle Influence of Extract of Mesocarp of Mongolian Snakegourd (Trichosanthes kirilowii) on Transmembrane Ca2+ Influx in Rat Aortic Ring STUDIES ON THE ABSORPTION AND TRANSPORTATION OF CALCIUM IN WHEAT BY USING ~(45)Ca TRACER METHOD