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Low level exercise echocardiography helps diagnose early stage heart failure with preserved ejection fraction: a study of echocardiography versus catheterization

Crossref DOI link: https://doi.org/10.1007/s00392-016-1039-0

Published Online: 2016-09-30

Published Print: 2017-03

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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