Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Torsten Porwol and Wilhelm Ehleben and Karl Zierold and Joachim Fandrey and Helmut Acker,The influence of nickel and cobalt on putative members of the oxygen‐sensing pathway of erythropoietin‐producing HepG2 cells,European Journal of Biochemistry,0014-2956,Wiley,1998-08-15,256,1,16-23,https://cir.nii.ac.jp/crid/1360298763344002688,https://doi.org/10.1046/j.1432-1327.1998.2560016.x