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) Ehud Yairi and Nicoline Ambrose,Epidemiology of stuttering: 21st century advances,Journal of Fluency Disorders,0094-730X,Elsevier BV,2013-06,38,2,66-87,https://cir.nii.ac.jp/crid/1361699993759037312,https://doi.org/10.1016/j.jfludis.2012.11.002