07/01/1960 - "In contrast to this, the amount of labeled Ca taken up by ventricles perfused with K-free Ringer's increases at a linear rate over a 60 minute period to twice the normal value coinciding with the gradual development of contracture and coinciding with a cellular K loss and Na gain of about 30 mM/kg. How much of the extra labeled Ca taken up from K-free Ringer's represents a net gain in cellular Ca content is not known. "
04/01/1953 - "[Potassium-free Ringer's solution in the inhibition of induced contractures of isolated hearts of poikilothermic animals]."
07/01/1960 - "EDTA in K-free Ringer's solution causes relaxation of ventricles in contracture and also renders the muscle fibers indiscriminately permeable. "
|1.||Edetic Acid (EDTA)