title: Correspondence.
authors.affiliation: a (with the technical assistance of V. Gouazé) INSERM U305 Equipe 'Bioréactifs: Spéciation et Biodisponibilité' Université Paul Sabatier Toulouse , France.
authors.forename: G
authors.initials: G
authors.lastname: Berthon
authors.affiliation: a (with the technical assistance of V. Gouazé) INSERM U305 Equipe 'Bioréactifs: Spéciation et Biodisponibilité' Université Paul Sabatier Toulouse , France.
authors.forename: N
authors.initials: N
authors.lastname: Dousset