title: [Echocardiographic study on the medium velocity of internal circumferential fiber shortening rate].
mesh_terms: D000293:Adolescent; D000328:Adult; D004452:Echocardiography / Q000379:methods*; D006321:Heart / Q000502:physiology*; D006331:Heart Diseases / Q000503:physiopathology; D006801:Humans; D008875:Middle Aged; D013997:Time Factors
vernacular_title: Studio ecocardiografico della velocità media di accorciamento della circonferenza interna cardiaca