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?]
Catalogue details

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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    The charts are drawn to different scales indicated in each case. The oblique straight lines on each chart represent the greatest and least rate of growth shown in the experiment with a normal diet represented in Chart II. The abscissa for each curve is at a different level; the figure at the beginning of each curve shows the initial weight of the guinea-pig in grams. Chart I. Effect of basal diet of bran, oats, and mangolds. One of the animals had an intus¬ susception and was killed. We have met this condition fairly frequently in animals under 200 g. in weight which have been deprived of greenstuff.
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