Ronen Shika Igaku
Online ISSN : 1884-7323
Print ISSN : 0914-3866
ISSN-L : 0914-3866
Agingand Periodontium
Masaki Shimono
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JOURNAL FREE ACCESS

1990 Volume 4 Issue 1 Pages 108-112

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Abstract
[in Japanese]
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© Japanese Society of Gerodontology
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