Bozkurt B, Hershberger RE, Butler J, Isler ML, et al. 2021 ACC/AHA Key Data Elements and Definitions for Heart Failure: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Data Standards (Writing Committee to Develop Clinical Data Standards for Heart Failure). J Am Coll Cardiol 2020 Nov 26. pii: S0735-1097(20)37777.
PMID: 33250265