1. N-Nitroso compounds and related carcinogens. In: Chemical Carcinogens, ACS Monograph Series, No. 173 (C. E. Searle, Ed.), American Chemical Society;Magee P. N.;Washington. DC,1976
2. Persistence of O6-ethylguanine in rat brain DNA. Correlation with nervous system specific carcinogenesis by ethylnitrosourea. Proc. Natl. Acad. Sci. (U.;Goth R.;S.),1974
3. Carcinogenicity of N-methyl-N-nitrosourea. Possible role of excision repair of O6-methylguanine from DNA;Kleihues P.;J. Natl. Cancer Inst.,1974
4. Chemical carcinogenesis in the nervous system. Preferential accumulation of O6-methylguanine in rat brain deoxyribonucleic acid during repetitive administration of N-methyl-N-nitrosourea
5. k4 5. Kleihues P. and Bucheler J. Long-term persistence of 06-meth