最終更新日:2022/12/24
The neonates observed by Truby and his associates (1965) kept their velums open during their cries for the first three days of life and thereafter closed their velums during their cries.
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The neonates observed by Truby and his associates (1965) kept their velums open during their cries for the first three days of life and thereafter closed their velums during their cries.