kw.\*:("Threshold effect levels")
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Polycyclic aromatic hydrocarbon (PAH) contamination of surface sediments and oysters from the inter-tidal areas of Dar es Salaam, TanzaniaGASPARE, Lydia; MACHIWA, John F; MDACHI, S. J. M et al.Environmental pollution (1987). 2009, Vol 157, Num 1, pp 24-34, issn 0269-7491, 11 p.Article
