title: [CONTRACTION PHASES OF THE YOUTHFUL HEART AND THEIR RELATIONS TO HEMODYNAMICS].
mesh_terms: D000293:Adolescent; D006321:Heart; D006334:Heart Function Tests; D006439:Hemodynamics; D006801:Humans
keywords: ADOLESCENCE; HEART FUNCTION TESTS
vernacular_title: DIE KONTRAKTIONSPHASEN DES JUGENDLICHEN HERZENS UND IHRE BEZIEHUNGEN ZUR HAEMODYNAMIK.