@incollection{Laila11,
author = {Ousehal Lahcen and Lazrak Laila},
title = {Early Treatments in Orthodontics},
booktitle = {Principles in Contemporary Orthodontics},
publisher = {IntechOpen},
address = {Rijeka},
year = {2011},
editor = {Silvano Naretto},
chapter = {11},
doi = {10.5772/20437},
url = {https://doi.org/10.5772/20437}
}