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This digitised material is free to access, but contains information or visuals that may:
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JA Ambrose `The functional significance of the smiling response in early infancy'
- Date:
- Jan 1964
- Reference:
- PP/BOW/J.9/8
Licence: In copyright
Credit: JA Ambrose `The functional significance of the smiling response in early infancy'. Source: Wellcome Collection.
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