title: [Geographic and occupational comparisons of left ventricular dimensions by echocardiography, with special reference to the changes in blood pressure over 10 years].
mesh_terms: D001794:Blood Pressure; D004452:Echocardiography; D006352:Heart Ventricles / Q000033:anatomy & histology; D007564:Japan; D009790:Occupations; D016276:Ventricular Function