Van Vuuren, Bernard J.; Van Heerden, Hendrik J.; Becker, Piet J.; Zinzen, Evert; Meeusen, Romain
(Springer Verlag, 2007-03)
An analytical cross-sectional epidemiological study carried out among 109 manganese plant workers aimed to examine the prevalence and association between lower back problems (LBP) and occupational risk factors. Outcome was ...