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) TAKAI Yasutaka and SAITO Yoshikazu and KOKETSU Yuzo,Theriogenology: Factors associated with a single-mating occurrence in first-serviced and reserviced female pigs on commercial farms,The Journal of Veterinary Medical Science,09167250,公益社団法人 日本獣医学会,2009,71,5,631-634,https://cir.nii.ac.jp/crid/1390001206430791296,https://doi.org/10.1292/jvms.71.631