The Tohoku Journal of Experimental Medicine
Online ISSN : 1349-3329
Print ISSN : 0040-8727
ISSN-L : 0040-8727
Quantitative Estimation of Normal Heart Sounds in Healthy Children. Preliminary Report
Magnoscopic Investigation 3rd Report
Akira SatoYadori MoriwakiTakeo Minagawa
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1940 Volume 38 Issue 1-2 Pages 55-57

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Abstract

In the 2nd Report of the Magnoscopic Investigation, Sato and Minagawa2) expressed the difference of heart sounds numerically by the same device as in the present paper. We have here reported of our trial to express a certain heart sound numerically, though comparatively.

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