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) CROSS N. L.,"Initiation of the activation potential by an increase in intracellular Ca^<2+>in eggs of the frog, Rana pipiens",Dev Biol,,,1981,85,,380-384,https://cir.nii.ac.jp/crid/1572543023935175680,