Masaya Sugiura

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A morphological examination of aging was performed on 141 normal hearts selected from a total of 972 consecutive autopsies on persons aged 60 years or over. The average heart weight was 270 ± 41 g. The circumference of the valvular ring was 99 ± 10 mm in the tricuspid valve, 68 ± 8 mm in the pulmonic valve, 83 ± 10 mm in the mitral valve, and 73 ± 7 mm in(More)
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