(NpOROKI MITRALXNOGO KLAPANA (B/s - (NrYBKIN(B, (NiWAN nIKITI^s ((NmOSKWA (B:s (NmEDGIZ(B,s, 1959)
Keywords: (NnEDOSTATO^NOSTX SERDCAs; (NpOROKI SERDCAs; (NrEWMATIZMs; (NmITRALXNYJ STENOZs