Ringer, S 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. [electronic resource] - The Journal of physiology Jul 1885 - 154-61 p. digital Publication Type: Journal Article ISSN: 0022-3751 Standard No.: 10.1113/jphysiol.1885.sp000193 doi