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) DIGGNES S. M.,Altered dihydrofolate reductase associated with a pyrimethamine-resistant Plasmodium berghei produced in a single step.,Nature (London),,,1970,228,,579-580,https://cir.nii.ac.jp/crid/1571980076315679872,https://doi.org/10.1038/228579a0