title: Interpretation of the normal electrocardiogram by multivariate statistical analysis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001824:Body Constitution; D004562:Electrocardiography / Q000592:standards*; D005260:Female; D006801:Humans; D008297:Male; D009765:Obesity / Q000503:physiopathology; D012737:Sex Factors; D013223:Statistics as Topic