Spatial analytico-geometrical analysis of the vectorcardogram by electronic computer. Vectorcardiogram of Frank system of the healthy middle-aged men.
D000328:Adult; D044466:Asian People; D001824:Body Constitution; D003201:Computers; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D014672:Vectorcardiography