2024-03-28T09:23:57Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/538562022-08-30T00:25:44Zhdl_2115_28085hdl_2115_54831hdl_2115_20124hdl_2115_54823hdl_2115_54822Study on the involvement of maternal immune response in the natural occurrence of persistent infection with bovine viral diarrhea virus [an abstract of dissertation and a summary of dissertation review]牛ウイルス性下痢ウイルス持続感染の自然発生における母体の免疫応答に関する研究 [論文内容及び審査の要旨]HELAL, MAHMOUD ATEF YOUSSEF649北海道大学. 博士(獣医学)Hokkaido UniversityThesis or Dissertationapplication/pdfapplication/pdfhttp://hdl.handle.net/2115/53856https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/53856/1/Mahmoud_Helal_abstract.pdfhttps://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/53856/2/Mahmoud_Helal_review.pdf2013-09-25jpnhttp://creativecommons.org/licenses/by-nc-sa/2.1/jp/none