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) Brigida Barberio and Ciaran Judge and Edoardo V Savarino and Alexander C Ford,Global prevalence of functional constipation according to the Rome criteria: a systematic review and meta-analysis,The Lancet Gastroenterology & Hepatology,2468-1253,Elsevier BV,2021-08,6,8,638-648,https://cir.nii.ac.jp/crid/1360017285989772160,https://doi.org/10.1016/s2468-1253(21)00111-4