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Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Heilbron I. M., Gillam A. E., Morton R. A. Specificity in tests for vitamin A. A new conception of the chromogenic constituents of fresh and aged liver oils. Biochem J. 1931;25(4):1352–1366. doi: 10.1042/bj0251352. [DOI] [PMC free article] [PubMed] [Google Scholar]