TY  - RPRT
TI  - Activator versus cervical headgear: superimpositional cephalometric comparison.
AU  - N B Haralabakis
AU  - D J Halazonetis
AU  - I B Sifakakis
PY  - 2003
DO  - 10.1067/mod.2003.20
UR  - https://pubmed.ncbi.nlm.nih.gov/12637902/
ID  - 12637902
ER  -