[X-ray videodensitometry and its application to the study of mitral valve closure].
D000818:Animals; D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D003287:Contrast Media; D003720:Densitometry; D004285:Dogs; D006327:Heart Block / Q000503:physiopathology; D008943:Mitral Valve / Q000503:physiopathology*; D008944:Mitral Valve Insufficiency / Q000503:physiopathology*; D013690:Television
D003287:Contrast Media
Rentgenovideodensitometriia i ee primenenie dlia izucheniia usloviĭ zakrytiia mitral'nogo klapana.