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)
NILSSON CG,Tissue concentrations of levonorgestrel in women using a levonorgestrel-releasing IUD,Clin Endocrinol,,,1982,17,6,529-536,https://cir.nii.ac.jp/crid/1571417126006012416,