Pulmonary presystolic murmur and its clinical significance.
D000783:Aneurysm; D001158:Arteries; D006337:Heart Murmurs; D006347:Heart Sounds; D006801:Humans; D011651:Pulmonary Artery
ANEURYSM; ARTERIES, PULMONARY/aneurysm; CARDIAC MURMURS AND SOUNDS