Marques, Ana P. G. C.Rangel, António O. S. S.Castro, Paula M. L.2011-10-112011-10-112003MARQUES, Ana P. G. C.; RANGEL, António O. S. S.; CASTRO, Paula M. L. - The uptake of zinc, lead, arsenic and mercury in four plant species in a polluted region of Portugal. CICTA 2003: Environmental Problems in an Iberoamerican context - 5th Iberian Congress and 2nd Iberoamerican on Environmental Contamination and Toxicology. Porto, Portugal, 22-24 September, 2003http://hdl.handle.net/10400.14/6031engconference object