title: [Contribution to the vectorcardiographic study of atrial activity in normal and pathological conditions].
mesh_terms: D000293:Adolescent; D000328:Adult; D006332:Cardiomegaly / Q000175:diagnosis*; D006321:Heart / Q000502:physiology* / Q000503:physiopathology*; D006325:Heart Atria; D006801:Humans; D006973:Hypertension / Q000503:physiopathology*; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000175:diagnosis*; D014672:Vectorcardiography
vernacular_title: Contributo allo studio vettorcardiografico dell'attività atriale in condizioni normali e patologiche.