title: Studies on the effect of controlled volume change on the thoracic electrical impedance.
mesh_terms: D000818:Animals; D001011:Aorta / Q000502:physiology*; D001810:Blood Volume; D002307:Cardiography, Impedance; D004285:Dogs; D006321:Heart / Q000502:physiology*; D010992:Plethysmography, Impedance; D011651:Pulmonary Artery / Q000502:physiology*