. 2021 Mar 23;34(4):330–336. doi: 10.37201/req/031.2021
© The Author 2021
Published by Sociedad Española de Quimioterapia. This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)(https://creativecommons.org/licenses/by-nc/4.0/).