著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) K K Richardson and F C Richardson and R M Crosby and J A Swenberg and T R Skopek,DNA base changes and alkylation following in vivo exposure of Escherichia coli to N-methyl-N-nitrosourea or N-ethyl-N-nitrosourea.,Proceedings of the National Academy of Sciences,0027-8424,Proceedings of the National Academy of Sciences,1987-01,84,2,344-348,https://cir.nii.ac.jp/crid/1363388843650247296,https://doi.org/10.1073/pnas.84.2.344