Landa-Ramírez, Edgar, and Aranel de Jesús Arredondo-Pantaleón. “PICO Tool for the Formulation and Search of Clinically Relevant Questions in Evidence-Based Psycho-Oncology”. Psicooncología, vol. 11, no. 2-3, Nov. 2014, pp. 259-70, https://doi.org/10.5209/rev_PSIC.2014.v11.n2-3.47387.