The Use of the Bio-Photometer in Determining the Dark Adaptation of Pre-School Age Children

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Because of the paucity of evidence with regard to dark adaptation and the vitamin A status of pre-school children, this study is made. The purpose, therefore, is to add to the available data on this subject through an investigation of the bio-photometer as a means of detecting vitamin A deficiency in pre-school children.

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v, 31 leaves : ill.

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Wright, Mary Lou McCauley August 1941.

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  • Wright, Mary Lou McCauley

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Because of the paucity of evidence with regard to dark adaptation and the vitamin A status of pre-school children, this study is made. The purpose, therefore, is to add to the available data on this subject through an investigation of the bio-photometer as a means of detecting vitamin A deficiency in pre-school children.

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v, 31 leaves : ill.

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UNT Theses and Dissertations

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  • August 1941

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  • Feb. 9, 2012, 7:58 p.m.

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  • July 11, 2024, 8:13 p.m.

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Thumbnail image of item number 1 in: 'The Use of the Bio-Photometer in Determining the Dark Adaptation of Pre-School Age Children'.
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Wright, Mary Lou McCauley. The Use of the Bio-Photometer in Determining the Dark Adaptation of Pre-School Age Children, thesis, August 1941; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc75347/: accessed July 17, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .

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