[A survey on the content of heavy metals in some European, North-African and Middle-Eastern live bivalve molluscs marketed in Italy]

afrique du nord alimentos de origen marino chemical contamination contamination chimique contaminazione chimica europa europe food inspection fruits de mer heavy metals inspection des aliments ispezione degli alimenti legislation legislazione mariscos medio oriente metales pesados metalli pesanti middle east molluschi e crostacei moyen orient nord africa north africa oriente medio procedencia provenance provenienza geografica residues residui residuos seafoods shellfish