Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kobayashi Haruo,Cytochemical Studies on the Second Gradient Axis of Fertilized Oyster Eggs,CYTOLOGIA,0011-4545,"Japan Mendel Society, International Society of Cytology",1969,34,2,241-249,https://cir.nii.ac.jp/crid/1390282679086796544,https://doi.org/10.1508/cytologia.34.241