[Choice of an equivalent stress in measuring the acoustic characteristics of stethophonendoscopes].
D000162:Acoustics; D001314:Auscultation; D019723:Endoscopes; D006801:Humans; D010701:Phonocardiography
O vybore ekvivalentnoĭ nagruzki pri izmerenii akusticheskikh kharakteristik stetofonendoskopov.