title: Effect of sampling site on assessment of pulmonary artery blood flow by Doppler echocardiography.
mesh_terms: D001783:Blood Flow Velocity; D004452:Echocardiography / Q000379:methods; D005260:Female; D006331:Heart Diseases / Q000503:physiopathology; D006801:Humans; D008297:Male; D011651:Pulmonary Artery / Q000502:physiology*; D011664:Pulmonary Valve / Q000502:physiology; D016276:Ventricular Function