[Disorders of bronchial patency and their treatment in circulatory insufficiency].
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Biomedical subjects
Publications and source records attributed to N A Magazanik.
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It is suggested that the appraisal of acoustic properties of auscultation instruments should be done by an expert-physician by following the most outstanding auscultative characteristics. A procedure for medical appraisal of acoustic properties is proposed. The BF-1 sthetophonendoscope manufactured by the Nizhny-Tagil medical instruments plant is recommended to serve as a model one.