論文（英文）
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): 50.
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): 50.