TY  - JOUR 
T1  - Comparison of two asymmetric headgear force systems: A finite element analysis
JO  - Dental Press Journal of Orthodontics
A1  - Sadeghi, Samaneh
A1  - Hedayati, Zohreh
A1  - Mousavi-Fard, Batoolalsadat
SN  - 2176-9451
UL  - 10.1590/2177-6709.24.2.41.e1-6.onl
VL  - 24 
Y1  - 2019
PB  - Brazil 
ER  -