TY  - RPRT
TI  - Extraction vs nonextraction: arch widths and smile esthetics.
AU  - Eunkoo Kim
AU  - Anthony A Gianelly
PY  - 2003
DO  - 10.1043/0003-3219(2003)073<0354:evnawa>2.0.co;2
UR  - https://pubmed.ncbi.nlm.nih.gov/12940554/
ID  - 12940554
ER  -