title: [Quantitative evaluation of mitral stenosis using the polygraphic method].
mesh_terms: D000680:Amyl Nitrite; D004452:Echocardiography; D006439:Hemodynamics; D006801:Humans; D008946:Mitral Valve Stenosis / Q000175:diagnosis*; D010701:Phonocardiography
chemical_list: D000680:Amyl Nitrite
vernacular_title: Valutazione quantitativa della stenosi mitralica con metodo poligrafico.