Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Hahn Joachim and R. Stouffer James and H. Foote Robert,Ultrasonographic and Other Testicular Characteristics of Holstein Bulls Revisited.,Journal of Reproduction and Development,09168818,The Society for Reproduction and Development,1999,45,6,405-410,https://cir.nii.ac.jp/crid/1390282681309753600,https://doi.org/10.1262/jrd.45.405