[Report on the present status of the standardization efforts in phonocardiography].
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Aortic Valve Stenosis↗
Biomedical subjects
K Holldack
Publications and source records attributed to K Holldack.
[Inverse splitting of the 2d heart sound in myocardial infarct].
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Aortic Valve Insufficiency↗
[Technical problems in acoustic diagnosis of heart diseases].
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Amplifiers, Electronic↗
Functional diastolic murmur in 2:1 A-V block.
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Female↗
[Standardization of the phonocardiographic nomenclature].
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Phonocardiography↗
[On the organization of the university].
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Germany, West↗