title: An in vivo study of the dimensional changes of the aortic valve leaflets during the cardiac cycle.
mesh_terms: D000818:Animals; D001021:Aortic Valve / Q000033:anatomy & histology / Q000502:physiology*; D002315:Cardiopulmonary Bypass; D004285:Dogs; D006321:Heart / Q000502:physiology*; D006350:Heart Valve Prosthesis; D009200:Myocardial Contraction