Warth, Marco ; Kessler, Jens ; Koehler, Friederike ; Aguilar-Raab, Corina ; Bardenheuer, Hubert J. ; Ditzen, Beate (2019) Brief psychosocial interventions improve quality of life of patients receiving palliative care: A systematic review and meta-analysis. Palliative Medicine, 33 (3). pp. 332-345. ISSN 0269-2163 (Druck-Ausg.), 1477-030X (Online-Ausg.)