R. Chanavirut, R. Yensano, P. Yonglitthipagon, S. Nakmareong, L. Chaipattaranun, and W. Jaratpongtakul, “A modifying respiratory muscle device: development and pilot testing”, J Assoc Med Sci, vol. 58, no. 3, pp. 313–320, Aug. 2025.