[The use of ultrasonics in the study of the mitral valve].
D002114:Calcinosis / Q000175:diagnosis; D004452:Echocardiography; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000175:diagnosis*; D008946:Mitral Valve Stenosis / Q000175:diagnosis*; D014463:Ultrasonography
L'impiego degli ultrasuoni nell studio della valvola mitrale.