Citation: Lm. Tikkanen et al., SCREENING OF HEAT-PROCESSED FINNISH FOODS FOR THE MUTAGENS 2-AMINO-3,8-DIMETHYLIMIDAZO[4,5-F]QUINOXALINE, 2-AMINO-3,4,8-TRIMETHYLIMIDAZO[4,5-F]QUINOXALINE AND 2-AMINO-1-METHYL-6-PHENYLIMIDAZO[4,5-B]PYRIDINE, Food and chemical toxicology, 31(10), 1993, pp. 717-721