title: [DEMONSTRATION IN MAN OF A FLUCTUATION OF VISUAL PERCEPTIVE THRESHOLDS IN THE CARDIAC PERIOD].
mesh_terms: D004562:Electrocardiography; D006321:Heart; D006801:Humans; D010507:Periodicity; D010827:Physiology; D014796:Visual Perception
keywords: ELECTROCARDIOGRAPHY; HEART; PERIODICITY; PHYSIOLOGY; VISUAL PERCEPTION
vernacular_title: MISE EN 'EVIDENCE CHEZ L'HOMME D'UNE FLUCTUATION DES SEUILS PERCEPTIFS VISUELS DANS LA P'ERIODE CARDIAQUE.