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) John D. Helmann,The extracytoplasmic function (ECF) sigma factors,Advances in Microbial Physiology,0065-2911,Elsevier,2002,46,,47-110,https://cir.nii.ac.jp/crid/1360855569083033088,https://doi.org/10.1016/s0065-2911(02)46002-x