Summary
The author presents a simple method of phonocardiography with various telephone transmitters (50 and 2200 ohms resistance) employed as pick-up. The phonocardiograms were recorded with the aid of an electrocardiograph or a loop oscillograph.
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Literature Cited
A. I. Koblents-Mishke, in the book: Materials for Sharing Experience and Achievements on Scientific Frontiers2 (27). p. 3 (Moscow, 1958) [In Russian].
N. N. Savitskii, The Heart: Methods of Examination and Diagnosis (Moscow-Leningrad, 1929) [In Russian].
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Additional information
Laboratory of General Radiation Hygiene (Head-Cand. Med. Sci. Yu. K. Kudritskii), Institute of Radiation Hygiene (Dir.-Corresponding Member AMN SSSR N. F. Galanin)
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Mineev, I.F., Sel'tser, V.K. A simple method for phonocardiography in small laboratory animals. Bull Exp Biol Med 49, 203–204 (1960). https://doi.org/10.1007/BF00788793
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DOI: https://doi.org/10.1007/BF00788793