@article{article17266420,
title   = {Smile attractiveness in patients with class II division 1 subdivision malocclusions treated with different tooth extraction protocols},
author = {Janson, Guilherme and Branco, Nuria C. and Morais, Juliana F. and Freitas, Marcos Roberto de},
year = {2014},
doi = {10.1093/ejo/cjr079},
journal   = {European Journal of Orthodontics}
}