Pulgar, M. Á., Garrido, S., Muela, J. A., & Reyes del Paso, G. A. (2009). Validation of an inventory for the measurement of perceived stress and coping strategies in cancer patients (ISEAC). Psicooncología, 6(1), 167-190. https://revistas.ucm.es/index.php/PSIC/article/view/PSIC0909120167A