@article{article1df9841d,
title   = {Treatment time of Class I malocclusion four-premolar extraction protocol, with and without crowding: a retrospective study},
author = {Junqueira-Mendes, Cintia Helena Zingaretti and Mendes, Lucas Marzullo and Valerio, Marcelo Vinicius and Garib, Daniela Gamba and Janson, Guilherme},
year = {2019},
doi = {10.1016/j.ejwf.2019.10.001},
journal   = {Journal of the World Federation of Orthodontists}
}