Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "Murayama, S. and Fukudome, S.",Practice and effect of effective monitoring method for control and the cleaning of porcine reproductive and respiratory syndrome (PRRS) in Niigata prefecture,日本豚病研究会報,0914-3017,[つくば] : 日本豚病研究会,2019-02,,73,1-6,https://cir.nii.ac.jp/crid/1050011716215491584,