Velopharyngeal closure analysis using four-dimensional computed tomography: a pilot study of healthy volunteers and adult patients with cleft palate. - Yoshikazu Kobayashi; Daisuke Kanamori; Naoko Fujii; Yumi Kataoka; Emiko Hirai; Satoshi Yoshioka; Koji Satoh; Hiroshi Toyama; Kensei Naito; Koichiro Matsuo (BMC Medical Imaging, 2019)