title: Electrospray ionization matrix effect as an uncertainty source in HPLC/ESI-MS pesticide residue analysis.
authors.affiliation: University of Tartu, Institute of Chemistry, Jakobi 2, 51014 Tartu, Estonia.
authors.forename: Anneli
authors.initials: A
authors.lastname: Kruve
authors.forename: Koit
authors.initials: K
authors.lastname: Herodes
authors.forename: Ivo
authors.initials: I
authors.lastname: Leito