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) Kellie E Murphy and Mary E Hannah and Andrew R Willan and Sheila A Hewson and Arne Ohlsson and Edmond N Kelly and Stephen G Matthews and Saroj Saigal and Elizabeth Asztalos and Susan Ross and Marie-France Delisle and Kofi Amankwah and Patricia Guselle and Amiram Gafni and Shoo K Lee and B Anthony Armson,Multiple courses of antenatal corticosteroids for preterm birth (MACS): a randomised controlled trial,The Lancet,0140-6736,Elsevier BV,2008-12,372,9656,2143-2151,https://cir.nii.ac.jp/crid/1361699996313404800,https://doi.org/10.1016/s0140-6736(08)61929-7