1. Schellhas KP. MR imaging of muscles of mastication. AJNR 1989;1 0:829837 . AJR 1989;153:847-855 2. Schellhas KP, Wilkes CH, Fritts HM, Omlie MR. Heithoff KB, Jahn JA. Temporomandibular joint: diagnosis of internal derangements and postoperative changes. AJNR 1987;8: 1093-1101, AJR 1988;150:381-389 3. Harms SE, Wilk RM , Wolford LM, et al. The temporomandibular joint: magnetic resonance imagi...