MAP20120033740 Chronic back pain among older construction workers in the United States : a longitudinal study / Xiuwen S. Dong...[et.al] En: International journal of occupational and environmental health. - Massachusetts : Hamilton Hardy Publishing, Inc., 2010- = ISSN 1077-3525. - 02/04/2012 Volumen 18 Número 2 - abril - junio 2012
