著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) R.K. BRAMWELL and H.L. MARKS and B. HOWARTH,Quantitative Determination of Spermatozoa Penetration of the Perivitelline Layer of the Hen’s Ovum as Assessed on Oviposited Eggs,Poultry Science,0032-5791,Elsevier BV,1995-11,74,11,1875-1883,https://cir.nii.ac.jp/crid/1360011145357523712,https://doi.org/10.3382/ps.0741875