TY  - RPRT
TI  - Cephalometrics: a perspective.
AU  - E H Hixon
PY  - 1972
DO  - 10.1043/0003-3219(1972)042<0200:cap>2.0.co;2
UR  - https://pubmed.ncbi.nlm.nih.gov/4504537/
ID  - 4504537
ER  -