Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SAEKI K.,Are fetal calf serum and hormones necessary during in vitro maturation of cattle oocytes for subsequent development?,Theriogenology,,,1990,33,,316(Abst.),https://cir.nii.ac.jp/crid/1570572699948485120,