Richter, G [The amylnitrite test in the differential diagnosis of heart sounds in adults]. [electronic resource] - Medizinische Klinik May 1967 - 706-10 p. digital Publication Type: Journal Article ISSN: 0025-8458 Subjects--Topical Terms: AdolescentAdultAgedAmyl NitriteDiagnosis, DifferentialElectrocardiographyFemaleHeart AuscultationHeart Diseases--diagnosisHeart RateHeart Valve Diseases--diagnosisHemodynamicsHumansMaleMiddle AgedPhonocardiography