title: Letter: Role of calcium in paroxysmal-nocturnal-hemoglobinuria hemolysis.
mesh_terms: D002118:Calcium / Q000097:blood*; D006457:Hemoglobinuria, Paroxysmal / Q000097:blood*; D006461:Hemolysis; D006801:Humans; D011188:Potassium / Q000097:blood
chemical_list: D011188:Potassium; D002118:Calcium