Tyrosinase activity in the sera of patie
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K. Nishioka; M. M. Romsdahl; H. A. Fritsche Jr.; M. J. McMurtrey
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Article
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1977
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John Wiley and Sons
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French
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## Abstract Serum tyrosinase activity has been measured by adapting the [^3^]tyrosine assay for tyrosinase and significant elevations of serum tyrosinase activity were found in patients with malignant melanoma. In contrast to findings in a study which utilized [^14^C]tyrosine, augmented levels of t