@article{article4f107192,
title   = {Effect of 0.4% stannous fluoride gel on Streptococci mutans in relation to elastomeric rings and steel ligatures in orthodontic patients},
author = {Brêtas, Sabryna Maria and Macari, Soraia and Elias, Ana Maria and Ito, Izabel Yoko and Matsumoto, Mirian Aiko Nakane},
year = {2005},
doi = {10.1016/j.ajodo.2003.12.024},
journal   = {American Journal of Orthodontics and Dentofacial Orthopedics}
}