title: Comparison of the performance of the Frank lead placement system and the McFee-Parungao lead placement system in normal infants by QRS spatial curve analysis.
mesh_terms: D003201:Computers; D004562:Electrocardiography; D004566:Electrodes; D006801:Humans; D007223:Infant; D008722:Methods; D013997:Time Factors; D014672:Vectorcardiography