Effect of massive doses of riboflavin, and other vitamins of the B group, on skin carcinogenesis in mice.

Br J Cancer · 1962 · PMC2070938 · PMID 14493236

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did not reach statistical significanceno p-value reported

However there were such marked differences in the numbers of tumours borne by individual mice that the difference in average tumour incidence did not reach statistical significance.

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