The food value of mangolds and the effects of deficiency of vitamin A on guinea-pigs / by Ellen Boock and John Trevan.

  • Boock, Ellen.
Date:
[1922?]

Licence: In copyright

Credit: The food value of mangolds and the effects of deficiency of vitamin A on guinea-pigs / by Ellen Boock and John Trevan. Source: Wellcome Collection.

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