TY  - JOUR 
T1  - Effects of transcutaneous electrical nerve stimulation (TENS) and interferential currents (IFC) in patients with nonspecific chronic low back pain: randomized clinical trial
JO  - Sao Paulo Medical Journal
A1  - Facci, Ligia Maria
A1  - Nowotny, Jean Paulus
A1  - Tormem, Fabio
A1  - Trevisani, Virgínia Fernandes Moça
SN  - 1516-3180
UL  - 10.1590/S1516-31802011000400003
VL  - 129 
Y1  - 2011
PB  - Brasil 
ER  -