title: Radio pills for measurement of duration of action of sodium citrate.
mesh_terms: D000863:Antacids / Q000494:pharmacology*; D002951:Citrates / Q000494:pharmacology*; D019343:Citric Acid; D005745:Gastric Acidity Determination; D006801:Humans; D011845:Radio
chemical_list: D000863:Antacids; D002951:Citrates; D019343:Citric Acid