Combined effects of l-ascorbic acid, citric acid or their sodium salts on tumor induction by N-butyl-N-(4-hydroxybutyl)nitrosamine or N-ethyl-N-(4-hydroxybutyl)nitrosamine in the rat urinary bladder
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1992 ◽
Vol 83
(1)
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pp. 31-39
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1993 ◽
Vol 84
(8)
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pp. 852-858
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1997 ◽
Vol 25
(3)
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pp. 284-290
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