@article{article00fc87aa,
title   = {Rapid maxillary expansion in the primary and mixed dentitions: a cephalometric evaluation},
author = {Silva Filho, Omar Gabriel da and Villas Boas, M C and Capelozza Filho, Leopoldino},
year = {1991},
doi = {10.1016/s0889-5406(05)81524-0},
journal   = {American Journal Orthodontics Dentofacial Orthopedics}
}