The Use of the Bio-Photometer in Determining the Dark Adaptation of Pre-School Age Children
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 i...
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| Format: | Others |
| Language: | English |
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North Texas State Teachers College
1941
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| Online Access: | https://digital.library.unt.edu/ark:/67531/metadc75347/ |
| Summary: | 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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