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1 (DOC 196 kb) References Balogh I, Ørbæk P, Ohlsson K et al (2004) Self-assessed and directly measured Eltanexor concentration occupational physical activities—influence of musculoskeletal complaints, age and gender. Appl Ergon 35:49–56. doi:10.​1016/​j.​apergo.​2003.​06.​001 CrossRef Barrero LH, Katz JN, Dennerlein JT (2009) Validity of self-reported mechanical demands for occupational epidemiologic research of musculoskeletal disorders. Scand J Work Environ Health 35(4):245–260CrossRef Barriera-Viruet H, Sobeih TM, Daraiseha N et al (2006) Questionnaires learn more vs. observational and direct measurements: a systematic review. Theor Issues Ergon Sci 7(3):261–284. doi:10.​1080/​1463922050009066​1 CrossRef Baty D, Buckle PW, Stubbs DA (1986) Posture recording

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