E. Amorós Graciá, M. Rueda-Extremera, and M. Cantero-García, “Impact of psychosocial support interventions for informal caregivers of palliative care patients: a systematic review”, Psicooncología, vol. 23, no. 1, pp. 121–134, Apr. 2026, doi: 10.5209/psic.108432.