TY  - BOOK
AU  - Clark, William J
TI  - Twin block functional therapy : applications in dentofacial orthopaedics
SN  - 9780723431701
U1  - 617.643 CLA 
PY  - 2002///
CY  - Maryland Heights, MO
PB  - Mosby
KW  - Orthodontic appliances
KW  - Orthodontics
ER  -