TY  - JOUR 
T1  - Nickel-titanium alloys: a systematic review
JO  - Dental Press Journal of Orthodontics
A1  - Ferreira, Marcelo do Amaral
A1  - Luersen, Marco Antônio
A1  - Borges, Paulo César
SN  - 2176-9451
UL  - 10.1590/S2176-94512012000300016
VL  - 17 
Y1  - 2012
PB  - Brasil 
ER  -