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) LENTON EA,Normal variation in the length of the luteal phase of the menstrual cycle : identification of the short luteal phase,Br J Obstet Gynaecol,,,1984,91,,685-689,https://cir.nii.ac.jp/crid/1573950401077345152,https://doi.org/10.1111/j.1471-0528.1984.tb04831.x