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  2. Heart failure with preserved ejection fraction - Wikipedia

    en.wikipedia.org/wiki/Heart_failure_with...

    Heart failure with preserved ejection fraction (HFpEF) is a form of heart failure in which the ejection fraction – the percentage of the volume of blood ejected from the left ventricle with each heartbeat divided by the volume of blood when the left ventricle is maximally filled – is normal, defined as greater than 50%; [1] this may be measured by echocardiography or cardiac catheterization.

  3. Directly observed treatment, short-course - Wikipedia

    en.wikipedia.org/wiki/Directly_observed...

    This article appears to contradict the article Karel Styblo. Please discuss at the talk page and do not remove this message until the contradictions are resolved. The technical strategy for DOTS was developed by Karel Styblo of the International Union Against TB & Lung Disease in the 1970s and 80s, primarily in Tanzania, but also in Malawi ...