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) WELCH M. V.,Changes in pharyngeal dimensions effected by chin tuck,Arch. Phys. Med. Rehabil.,,,1993,74,,178-181,https://cir.nii.ac.jp/crid/1573950399116272384,