A Three Months' Study of the Dark Adaptation of a Texas Family During Activity
Recent studies have offered an abundance of evidence which indicates that night blindness is caused by vitamin A deficiency. Both adults and children have been used to investigate the relationship between vitamin A deficiency and night blindness.
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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/metadc75335/ |