TY  - RPRT
TI  - Orthodontic uncertainties.
AU  - J F Gravely
AU  - D B Johnson
PY  - 1975
DO  - 10.1179/bjo.2.4.227
UR  - https://pubmed.ncbi.nlm.nih.gov/1065360/
ID  - 1065360
ER  -