2) Hickey, J. C., Zarb, G. A. and Bolender, C. L.(川口豊造): Boucher's prosthodontic treatment for edentulous patients (バウチャー無歯顎患者の補綴治療, 13-17, 医歯薬出版, 東京, 1988), 1985.
3) Boucher, C. D.: Studies of displacement of tissues under dentures, J Am Dent Assoc, 27: 1476-1478, 1940.
4) Kydd, W. L. and Mandley, J.: The stiffness of palatal mucoperiostium, J Prosthet Dent, 18: 116-121, 1967.