H M Illing

A prospective evaluation of Bass, Bionator and Twin Block appliances. Part II--The soft tissues.

R. T. Lee, H. Illing, D. Morris, 1998, European journal of orthodontics.

A prospective evaluation of Bass, Bionator and Twin Block appliances. Part I--The hard tissues.

R. T. Lee, H. Illing, D. Morris, 1998, European journal of orthodontics.