@article{oai:repository.naro.go.jp:00009222,
 author = {早山, 陽子 and HAYAMA, Yoko},
 journal = {Research in Veterinary Science, Research in Veterinary Science},
 month = {},
 pages = {187--192},
 title = {Risk factors associated with the within-farm transmission of bovine viral diarrhea virus and the incidence of persistently infected cattle on dairy farms from Ibaraki prefecture of Japan},
 volume = {129},
 year = {2020},
 yomi = {ハヤマ, ヨウコ}
}