title: [Chronological study of the left ventricular systolic phases in normal patients].
mesh_terms: D000367:Age Factors; D001827:Body Height; D001835:Body Weight; D004562:Electrocardiography; D006339:Heart Rate; D006801:Humans; D010701:Phonocardiography; D013997:Time Factors; D016276:Ventricular Function
vernacular_title: Estudio cronológico de las fases de la sístole ventricular izquierda en sujetos normales.