Potassium flux in the heart and its relation to magnesium iron.
D000818:Animals; D004285:Dogs; D006321:Heart / Q000502:physiology*; D008274:Magnesium / Q000378:metabolism* / Q000494:pharmacology; D009206:Myocardium / Q000378:metabolism; D011188:Potassium / Q000037:antagonists & inhibitors / Q000378:metabolism*
D008274:Magnesium; D011188:Potassium