title: [Letter: Cardiac automatism].
mesh_terms: D000404:Ajmaline / Q000494:pharmacology; D000889:Anti-Arrhythmia Agents / Q000494:pharmacology; D004562:Electrocardiography; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D006329:Heart Conduction System / Q000187:drug effects / Q000502:physiology; D006801:Humans
chemical_list: D000889:Anti-Arrhythmia Agents; D000404:Ajmaline
vernacular_title: Lettere: L'automatismo cardiaco.