論文（英文）
Effectiveness of swallowing care on safe oral intake using ultrasound-based observation of residues in the epiglottis valley: A pragmatic, quasi-experimental study
Yoshida M, Miura Y, Okada S, Yamada M, Kagaya H, Saitoh E, Kamakura Y, Okawa Y, Matsuyama Y, Sanada H. Effectiveness of swallowing care on safe oral intake using ultrasound-based observation of residues in the epiglottis valley: A pragmatic, quasi-experimental study. Healthcare 2020; 8(1).