Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) A. Herrler and D. Rath and H. Niemann,Effects of cryoprotectants on fertilization and cleavage of bovine oocytes in vitro,Theriogenology,0093-691X,Elsevier BV,1991-01,35,1,212,https://cir.nii.ac.jp/crid/1361418519181946368,https://doi.org/10.1016/0093-691x(91)90188-j