Hasanah, Idyatul, et al. «Demographic, Clinical Characteristics and Psychosocial Factors Associated With Salivary Cortisol As a Stress Biomarker in Children With Leukemia». Gaceta Médica De Caracas, vol. 131, n.º 2, junio de 2023, https://saber.ucv.ve/ojs/index.php/rev_gmc/article/view/26674.