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https://glnars.com/2018/06/10/%e3%82%b9%e3%83%97%e3%83%bc%e3%83%b3%e3%81%ae%e5%a4%a7%e3%81%8d%e3%81%95%e3%81%a7%e5%9a%a5%e4%b8%8b%e3%81%af%e5%a4%89%e3%82%8f%e3%82%8b/
スプーンの大きさで嚥下は変わる