C. Williams

Long-term outcome analysis of two treatment methods for cleft palate: combined levator retropositioning and pharyngeal flap versus double-opposing Z-plasty.

M. Edgerton, K. Lin, K. Borowitz, 1999, The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association.

Long-term outcomes confirm the superior efficacy of extended Heller myotomy with Toupet fundoplication for achalasia

C. Pellegrini, A. Wright, B. Oelschlager, 2007, Surgical Endoscopy.

Focal dystonia following soft tissue injury: three case reports with long-term outcome.

R. Katz, C. Williams, 1990, Archives of Physical Medicine and Rehabilitation.