title: Determination of cyclosporine, tacrolimus, sirolimus and everolimus by liquid chromatography coupled to electrospray ionization and tandem mass spectrometry: assessment of matrix effects and assay performance.
authors.affiliation: Department of Medical Biochemistry, Oslo University Hospital, Rikshospitalet,, Oslo, Norway. nils.tore.vethe@oslo-universitetssykehus.no
authors.forename: Nils T
authors.initials: NT
authors.lastname: Vethe
authors.forename: Laila C
authors.initials: LC
authors.lastname: Gjerdalen
authors.forename: Stein
authors.initials: S
authors.lastname: Bergan
mesh_terms: D002853:Chromatography, Liquid / Q000379:methods* / Q000592:standards; D016572:Cyclosporine / Q000097:blood* / Q000737:chemistry; D000068338:Everolimus; D006801:Humans; D012015:Reference Standards; D020123:Sirolimus / Q000031:analogs & derivatives* / Q000097:blood* / Q000737:chemistry; D021241:Spectrometry, Mass, Electrospray Ionization / Q000379:methods* / Q000592:standards; D016559:Tacrolimus / Q000097:blood* / Q000737:chemistry; D053719:Tandem Mass Spectrometry / Q000379:methods* / Q000592:standards
chemical_list: D016572:Cyclosporine; D000068338:Everolimus; D020123:Sirolimus; D016559:Tacrolimus