Radchenko, A I [Additional possibilities for using the electrocardiograph to evaluate the status of the cardiovascular system]. [electronic resource] - Vrachebnoe delo Jan 1986 - 27-8 p. digital Publication Type: Journal Article ISSN: 0049-6804 Subjects--Topical Terms: Cardiovascular System--physiopathologyElectrocardiography--instrumentationHumansPlethysmography, Impedance--instrumentation