Alkaline earths in heparin.
D001464:Barium; D002118:Calcium; D018534:Earth, Planet; D006493:Heparin; D006801:Humans; D013324:Strontium
D001464:Barium; D006493:Heparin; D002118:Calcium; D013324:Strontium
BARIUM; CALCIUM; HEPARIN; STRONTIUM