On the competition between calcium and magnesium.
D002118:Calcium / Q000494:pharmacology*; D002136:Calcium, Dietary; D008274:Magnesium / Q000494:pharmacology*; D012919:Social Behavior
D002136:Calcium, Dietary; D008274:Magnesium; D002118:Calcium
CALCIUM/pharmacology; MAGNESIUM/pharmacology