TY - CONF AU - Ferreira P. AU - Refshauge K. AU - Nascimento D. AU - Latimer Jane AU - Zambelli R. AU - Maher C. AU - Ferreira Manuela BT - Primary Care Musculoskeletal Research Congress CY - Rotterdam, The Netherlands LA - eng PB - Proceedings PP - Rotterdam, The Netherlands PY - 2010 EP - 54 T2 - Primary Care Musculoskeletal Research Congress TI - Assessment of Transversus abdominis muscle recruitment with ultrasonography in low back pain: effect of operator’s previous training on reliability ER -