TY  - RPRT
TI  - Orthodontist--first or last?
AU  - S Gelbier
AU  - P T Heffer
PY  - 1971
DO  - 10.1038/sj.bdj.4802625
UR  - https://pubmed.ncbi.nlm.nih.gov/5276473/
ID  - 5276473
ER  -