著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Carlson,H1N1 Influenza in Pregnancy: What All Obstetric Care Providers Ought to Know,Rev. Obstet. Gynecol.,,,2009,2,,139,https://cir.nii.ac.jp/crid/1373664919030139651,