Comments on: "Clinical utility of ABCB1 genotyping for preventing toxicity in treatment with irinotecan". (July 2019) - Salvador-Martiín, Sara; García-González, Xandra; García, María I.; Blanco, Carolina; García-Alfonso, Pilar; Robles, Luis; Grávalos, Cristina; Pachón, Vanessa; Longo, Federico; Martínez, Virginia; Sanjurjo-Sáez, María; López-Fernández, Luis A.