@article{oai:rakuno.repo.nii.ac.jp:00002412,
 author = {OHTAKI, Tadatoshi and MORIYOSHI, Masaharu and NAKADA, Ken and 中田, 健 and NAKAO, Toshihiko and SAWAMUKAI, Yutaka},
 issue = {9},
 journal = {Animal Science Journal},
 month = {Sep},
 note = {Article},
 pages = {644--649},
 title = {Relationships among steroid hormone levels in newborn piglets, birth weight, placental weight, vitality of offspring and litter size},
 volume = {83},
 year = {2012}
}