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Concerning the Action of small quantities of Calcium, Sodium, and Potassium Salts upon the Vitality and Function of Contractile Tissue and the Cuticular Cells of Fishes
1885
Journal of Physiology
IN previously published papers we have shown that very minute quantities of Potassium and Calcium Salts possess the power of influencing the contractility of the heart. We have pointed out that even so minute a quantity of Potassium chloride as 1 in 15,000 and of Calcium chloride as 1 in 10,000 is capable of promoting the normal cardiac contractility provided they are brought into contact with the heart ventricle in the presence of a simple [3 /j] saline medium. We do not even attempt to
doi:10.1113/jphysiol.1885.sp000193
pmid:16991412
fatcat:de7skbbdsnhode5jm5t53545r4