Colorimetric determination of all-trans-
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Chih-Cheng Wang; Rupert E. Hodges Jr.; Donald L. Hill
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Article
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1978
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Elsevier Science
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English
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A method employing trifluoroacetic acid for the quantitative determination ofallrrans-retinoic acid and 13-cis-retinoic acid in serum is described. The method permits the detection of as little as 0.3 Kg of either compound. Retinoic acid can serve the general tissue functions of vitamin A, except i