Development and validation of a robust UPLC-MS/MS method for the analysis of polyamines in cells, biofluids and tissues. - Iannone M; Vereyken L; Grajchen E; Deneubourg C; Gorremans S; Donck LV; Bretteville A; Moechars D; Jahouh F; Vreeken RJ (Journal of pharmaceutical and biomedical analysis, 2026)