title: [Change in the phase structure of systole of the left ventricle in donors after the first blood collection].
mesh_terms: D000328:Adult; D000740:Anemia / Q000503:physiopathology; D001782:Blood Donors; D001815:Bloodletting; D006321:Heart / Q000502:physiology*; D006352:Heart Ventricles; D006801:Humans; D008297:Male
vernacular_title: Izmenenie fazovoĭ struktury sistoly levogo zheludochka serdtsa u donorov posle pervichnogo vziatiia krovi