J Am Coll Cardiol. 1991 May;17(6):1424-5. doi: 10.1016/s0735-1097(10)80157-3.
Journal of the American College of Cardiology
D P Zipes
PMID: 2016461 DOI: 10.1016/s0735-1097(10)80157-3 Free Article
[No abstract available.]