[Studies on the mutagenic effect of nitrosamines and nitrosomethylurea].
D002875:Chromosomes; D008770:Methylnitrosourea; D009153:Mutagens; D009602:Nitrosamines; D009603:Nitroso Compounds
D009153:Mutagens; D009602:Nitrosamines; D009603:Nitroso Compounds; D008770:Methylnitrosourea
CHROMOSOMES; NITROSAMINES; NITROSO COMPOUNDS