Blar i Bergen Open Research Archive på forfatter "Mashalla, Yohana"
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High prevalence of respiratory symptoms among workers in the development section of a manually operated coal mine in a developing country: A cross sectional study
Mamuya, Simon H. D.; Bråtveit, Magne; Mashalla, Yohana; Moen, Bente E. (Peer reviewed; Journal article, 2007-02-01)Background: Few studies of miners have been carried out in African countries; most are from South Africa, where the working conditions are assumed to be better than in the rest of Africa. Several studies have focused on ...