title: Manifest and concealed reentry. A mechanism of AV nodal Wenckebach phenomenon.
mesh_terms: D000818:Animals; D004285:Dogs; D004562:Electrocardiography; D006325:Heart Atria / Q000503:physiopathology; D006327:Heart Block / Q000209:etiology*; D006352:Heart Ventricles / Q000503:physiopathology