Clinical and prognostic significance of serum magnesium concentration in patients with severe chronic congestive heart failure: the PROMISE Study.
J Am Coll Cardiol. 1993 Mar 1;21(3):634-40. doi: 10.1016/0735-1097(93)90095-i.
J Am Coll Cardiol. 1993.
PMID: 8436744
Clinical Trial.