No abstract available
MeSH terms
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Amplifiers, Electronic
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Amyl Nitrite*
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Aortic Diseases / diagnosis
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Aortic Valve Stenosis / diagnosis
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Arteriosclerosis / diagnosis
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Autonomic Nervous System / physiopathology
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Diagnosis, Differential
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Endocarditis / diagnosis
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Female
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Heart Diseases / diagnosis*
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Heart Septal Defects, Atrial / diagnosis
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Heart Septal Defects, Ventricular / diagnosis
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Humans
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Hypertension / diagnosis
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Mitral Valve Insufficiency / diagnosis
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Phonocardiography*
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Pregnancy
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Pulmonary Valve Insufficiency / diagnosis
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Sound / classification
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Tricuspid Valve Insufficiency / diagnosis