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) Line Elmerdahl Frederiksen and Andreas Ernst and Nis Brix and Lea Lykke Braskhøj Lauridsen and Laura Roos and Cecilia Høst Ramlau-Hansen and Charlotte Kvist Ekelund,Risk of Adverse Pregnancy Outcomes at Advanced Maternal Age,Obstetrics & Gynecology,0029-7844,Ovid Technologies (Wolters Kluwer Health),2018-03,131,3,457-463,https://cir.nii.ac.jp/crid/1360298341838308864,https://doi.org/10.1097/aog.0000000000002504