TY - CPAPER
AU - Costa L.
BT - PRImary Care MUSculoskeletal Research Congress 
CY - De Doelen, Rotterdam, The Netherlands
LA - eng
PP - De Doelen, Rotterdam, The Netherlands
PY - 2010
T2 - PRImary Care MUSculoskeletal Research Congress 
TI - The reproducibility of ultrasound measures of abdominal  muscle activation in patients with chronic non-specific low back pain
ER -