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) Hirotaka Sato and Nobuhiro Suzumori and Hazuki Tamada and Takeshi Ebara and Michihiro Kamijima and Shinji Saitoh and Mayumi Sugiura-Ogasawara and Sayaka Kato and Taro Matsuki,Relationship between painless delivery and postpartum depression: The Japan Environment and Children’s Study (JECS),,,Research Square Platform LLC,2021-01-08,,,,https://cir.nii.ac.jp/crid/1871991017490077824,https://doi.org/10.21203/rs.3.rs-135960/v1