TY  - JOUR 
T1  - A prospective study predicting the outcome of chronic low back pain and physical therapy: the role of fear-avoidance beliefs and extraspinal pain
JO  - Revista Brasileira de Reumatologia
A1  - Feitosa, Aloma S.A.
A1  - Lopes, Jaqueline Barros
A1  - Bonfa, Eloisa
A1  - Halpern, Ari S.R.
SN  - 0482-5004
UL  - 10.1016/j.rbre.2016.03.002
VL  - 56 
Y1  - 2016
PB  - Brasil 
ER  -