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Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Leech G., Brooks N., Green-Wilkinson A., Leatham A. Mechanism of influence of PR interval on loudness of first heart sound. Br Heart J. 1980 Feb;43(2):138–142. doi: 10.1136/hrt.43.2.138. [DOI] [PMC free article] [PubMed] [Google Scholar]
