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)
ROELOFS JB,Various behavioral signs of estrous and their relationship with time of ovulation in dairy cattle,Theriogenology,,,2005,63,,1366-1377,https://cir.nii.ac.jp/crid/1571417126191001984,