Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Keith V. Kuhlemeier,Epidemiology and dysphagia,Dysphagia,0179-051X,Springer Science and Business Media LLC,1994,9,4,209-217,https://cir.nii.ac.jp/crid/1361981470072866304,https://doi.org/10.1007/bf00301912