TY  - RPRT
TI  - A simplified approach to midface aging.
AU  - Ryan N Heffelfinger
AU  - Keith E Blackwell
AU  - Jeffrey Rawnsley
AU  - Gregory S Keller
DO  - 10.1001/archfaci.9.1.48
UR  - https://pubmed.ncbi.nlm.nih.gov/17224489/
ID  - 17224489
ER  -