title: [Echocardiography. I. Physical principles of the method and diagnostic use].
mesh_terms: D055592:Biophysical Phenomena; D001703:Biophysics; D004452:Echocardiography; D006331:Heart Diseases / Q000175:diagnosis; D006801:Humans; D014465:Ultrasonics
vernacular_title: Echocardiographie. I. Principes physiques de la méthode et utilisations diagnostiques.