Effect of ions on the activity of enzymes derived from cardiac tissue.
D004573:Electrolytes / Q000494:pharmacology*; D006321:Heart; D006801:Humans; D007477:Ions; D009206:Myocardium / Q000378:metabolism*
D004573:Electrolytes; D007477:Ions
ELECTROLYTES/effects; MYOCARDIUM/metabolism