title: [The electrocardiogram in pulmonary stenosis during the 1st months of life].
mesh_terms: D000367:Age Factors; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011666:Pulmonary Valve Stenosis / Q000503:physiopathology*
vernacular_title: El electrocardiograma en la estenosis pulmonar durante los primeros meses de la vida.