title: [Results of mathematic frequency analyses of 1st heart sounds in animal experiments].
mesh_terms: D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D004285:Dogs; D004877:Ergoloid Mesylates / Q000494:pharmacology; D006326:Heart Auscultation; D006352:Heart Ventricles; D008433:Mathematics; D009638:Norepinephrine / Q000494:pharmacology; D010701:Phonocardiography; D014732:Vibration
chemical_list: D004877:Ergoloid Mesylates; D009638:Norepinephrine
vernacular_title: Ergebnisse mathematischer Frequenzanalysen von ersten Herztönen im Tierexperiment.