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[Papillomas of the urinary bladder induced by N-nitroso-N-methylurea in rats]
Voprosy Onkologii
|January 1, 1976
Abstract:
N-nitroso-N-methylurea (a total dosage--6 mg per animal), administered by a catheter in the urinary bladder cavity in female rats, following 9--56 weeks induced in 16 of 23 rats tumors of the vesical mucous membrane (mostly transitional cell papillomas).