Additional file 4: Table S4. of Serum concentrations of active tamoxifen metabolites predict long-term survival in adjuvantly treated breast cancer patients HellandThomas HenneNina BifulcoErsilia NaumeBjørn BorgenElin KristensenVessela KvaløyJan LashTimothy AlnæsGrethe van SchaikRon JanssenEmiel HustadSteinar LienErnst MellgrenGunnar SøilandHåvard 2017 Retention times, molecular weights, and compound-dependent instrument settings. (DOCX 16 kb)