E Dursun, D Wiechmann and J. P. Attal
European Journal of Orthodontics 32 ( 3 ): 264 - 267 , 2010
A. K. Y Wu, C McGrath, R. W. K Wong, D Wiechmann and A. B. M. Rabie
European Journal of Orthodontics 32 ( 4 ): 403 - 407 , 2010