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Publikováno v:
BMC Public Health
BMC Public Health, Vol 16, Iss 1, Pp 1-9 (2016)
BMC Public Health, Vol 16, Iss 1, Pp 1-9 (2016)
Background Physical activity in leisure time is often considered to have favourable effects on the risk of low back pain (LBP), but demonstrating a definite association in epidemiological studies has proven difficult. The purpose of the present study
Publikováno v:
BMC Public Health, Vol 11, Iss 1, p 406 (2011)
BMC Public Health
BMC Public Health
Background The social gradient in disability pension is well recognized, however mechanisms accounting for the gradient are largely unknown. The aim of this study was to examine the association between occupational class and subsequent disability pen