Gunnar Wiberg

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Renal neoplasms with induction times ranging from 218 to 505 days appeared in 51 or 64% of 80 male Wistar rats in 3 groups which, when 1 or 7 days old, were given single s.c. injections of dimethylnitrosamine in dosages of 125 ;ug/animal or 10 mg/kg. In 44 male rats so treated after weaning at 21 or 70 days of age, tumor yields were scant and induction(More)