TY  - BOOK
TI  - Dental x-ray protection
U1  - 617.6 DEN 1973 
PY  - 1973///
CY  - Washington
PB  - National Council on Radiation Protection and Measurements
KW  - Teeth
KW  - Radiography
KW  - Safety measures
N1  - İndeks var; Kaynakça var
ER  -