Media type: E-Article Title: The Use of a Dark Adaptation Technique (Biophotometer) in the Measurement of Vitamin A Deficiency in Children Contributor: Palmer, Carroll E.; Blumberg, Harold imprint: JSTOR, 1937 Published in: Public Health Reports (1896-1970) Language: English DOI: 10.2307/4582327 ISSN: 0094-6214 Keywords: General Medicine Origination: Footnote: Access State: Open Access