A reflection on the essence of gratitude in palliative care: healing in severe disease and professional affirmation through accompanying patients until the end. - Arantzamendi, María; Aparicio, Maria; Centeno, Carlos; Sánchez-Migallón, Sergio; Riojas, Mariana; De Julián, Victoria; Crespo, Mariano (Palliative Care & Social Practice, 2023)