%0 Journal Article %T CALCIUM CONTENT OF THE ERYTHROCYTES: A SENSITIVE AND EASY HANDLING METHOD FOR MEASURING FREE CALCIUM IONS, AND MODULATION OF THE Ca2+ ION CONCENTRATION BY THE CALCIUM ANTAGONISTS NIFEDIPINE AND PENTOXIFYLLINE %A Friederichs, E. %A Rädisch, T. %A Winkler, H. %J Clinical and Experimental Pharmacology and Physiology %V 16 %N 5 %P 387-394 %@ 0305-1870 %D 1989-05-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve