Effect of informal employment on the relationship between psychosocial work risk factors and musculoskeletal pain in Central American workers
David Gimeno Ruiz de Porras, Marianela Rojas Garbanzo, Aurora Aragón, Lino Carmenate-Milián, Fernando G Benavides
Occupational and Environmental Medicine Sep 2017, 74 (9) 645-651; DOI: 10.1136/oemed-2016-103881