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. 1955 Apr;17(2):138–142. doi: 10.1136/hrt.17.2.138

CALIBRATION OF AN ELECTRONIC PHONOCARDIOGRAPH

A W Sloan ^1,^2,^*, J R Greer ^1,²

PMCID: PMC479537 PMID: 14363530

138

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

BESTERMAN E. M., HARRIS J. K. A multi-channel cathode-ray phonocardiograph. Br Heart J. 1953 Apr;15(2):130–134. doi: 10.1136/hrt.15.2.130. [DOI] [PMC free article] [PubMed] [Google Scholar]
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