Fernandes, Júlio Alberto Agante LOW BACK PAIN IN SCHOOLCHILDREN: A CROSS-SECTIONAL STUDY IN A WESTERN CITY OF SÃO PAULO STATE, BRAZIL. [electronic resource] - Acta ortopedica brasileira - 235-8 p. digital Publication Type: Journal Article ISSN: 1413-7852 Standard No.: 10.1590/1413-785220152305148842 doi