For citations:
Amarjagal B., Tkachenko S.B., Mazur N.A., Beresten N.F. TISSUE DOPPLER IMAGING OF LONGITUDINAL MOVEMENT OF A FIBROUS RING OF MITRAL VALVE DURING ISOVOLUMIC PERIODS IN LEFT VENTRICULAR HYPERTROPHY. Rational Pharmacotherapy in Cardiology. 2007;3(5):62-68. (In Russ.) https://doi.org/10.20996/1819-6446-2007-3-5-54