TY  - BOOK
AU  - Andreasen, J O.
AU  - Andreasen,
TI  - Essentials of Traumatic Injuries to the Teeth / 
U1  - 617.645 
PY  - 2000///
CY  - Copenhagen : 
PB  - Munksgaard , 
KW  - Pedodontics
ER  -