TY  - RPRT
TI  - Principles and function of the orthopantomograph.
AU  - J E Phillips
PY  - 1967
DO  - 10.1016/0030-4220(67)90287-3
UR  - https://pubmed.ncbi.nlm.nih.gov/5230129/
ID  - 5230129
ER  -