What's the difference between calcium carbonate supplements and calcium citrate supplements?
D002119:Calcium Carbonate / Q000008:administration & dosage*; D002136:Calcium, Dietary / Q000008:administration & dosage*; D002951:Citrates / Q000008:administration & dosage*; D019587:Dietary Supplements; D006266:Health Education / Q000379:methods; D006801:Humans; D000077559:Sodium Citrate
D002136:Calcium, Dietary; D002951:Citrates; D000077559:Sodium Citrate; D002119:Calcium Carbonate