PMID- 10000000 DA - 20100527 IS - 0016-7037 (Electronic) VI - 74 IP - 11(S) DP - 2010 Jun TI - Selective Chemical Extraction of Heavy Metals and Arsenic in Soils Contaminated by Mining Activity (Northern Portugal): Biogeochemical Implications PG - 281 FAU - Favas, Paulo AU - Favas P FAU - Pratas, João AU - Pratas J FAU - Gomes, M Elisa AU - Gomes ME LA - eng PT - Journal Article JT - Geochimica et Cosmochimica Acta