Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) A. Boos,β‐Carotin und Follikel‐Lutein‐Zysten beim Rind*,Reproduction in Domestic Animals,0936-6768,Wiley,1988-10,23,4,223-228,https://cir.nii.ac.jp/crid/1363670319190240256,https://doi.org/10.1111/j.1439-0531.1988.tb00810.x