Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Naitoh Yutaka,Effect of Change in External Ca-Concentration on the Membrane Potential of Opalina.,動物学雑誌,00445118,東京 : 日本動物学会,1964-08-15,73,8,233-238,https://cir.nii.ac.jp/crid/1390572176567015424,https://doi.org/10.34435/zm004175