For citations:
Lyashenko N.I., Usenko J.D., Hvastuhin M.Yu., Chaykovsky I.A. Right atrium hypertrophy diagnosing by means of the ECG spectral analysis during CNPD. PULMONOLOGIYA. 1994;(3):65-69. (In Russ.)
Lyashenko N.I., Usenko J.D., Hvastuhin M.Yu., Chaykovsky I.A. Right atrium hypertrophy diagnosing by means of the ECG spectral analysis during CNPD. PULMONOLOGIYA. 1994;(3):65-69. (In Russ.)