Multivariate analysis of two orthogonal lead systems: Frank leads and McFee leads.
D000328:Adult; D000704:Analysis of Variance; D000787:Angina Pectoris / Q000503:physiopathology*; D006332:Cardiomegaly / Q000503:physiopathology*; D004562:Electrocardiography / Q000379:methods*; D006801:Humans; D008875:Middle Aged; D009203:Myocardial Infarction / Q000503:physiopathology*