I. R. Johnell

Grisel syndrome after velopharyngoplasty

H. Svensson, A. Ohlin, L. Strömblad, 2004, Scandinavian journal of plastic and reconstructive surgery and hand surgery.

Radiographic wear assessment in a total knee prosthesis. 5- to 9-year follow-up study of 158 knees.

A Sahlström, C. Gentz, L. Sanzén, 1996, The Journal of arthroplasty.