TITLE: FREQUENCIES OF THE HEART

##plugins.themes.bootstrap3.article.main##

Abstrak:

determination of heart defects, classification of heart defects, mitral valve defects.

##plugins.themes.bootstrap3.article.details##

##submission.citations##:

A.V. Topolyansky., A.L. Vertkin., Freemless hearts, M2019

F.I. Boris., A.V. Sai., Surgery, M2005.