Clinical relevance of novel polymorphisms in the dihydropyrimidine dehydrogenase (Dpyd) gene in patients with severe fluoropyrimidine toxicity: A spanish case-control study - Soria-Chacartegui P; Villapalos-García G; López-Fernández LA; Navares-Gómez M; Mejía-Abril G; Abad-Santos F; Zubiaur P (Pharmaceutics, 2021)