@article{article9fc59398,
title   = {Class II treatment effects of the Frankel appliance},
author = {Janson, Guilherme dos Reis Pereira and Toruño, Jorge Luis Alegria and Martins, Décio Rodrigues and Henriques, José Fernando Castanha and Freitas, Marcos Roberto de},
year = {2003},
doi = {10.1093/ejo/25.3.301},
journal   = {European Journal of Orthodontics}
}