Concordance of Barthel Index, ECOG-PS, and Palliative Performance Scale in the assessment of functional status in patients with advanced medical diseases
C Hernández-Quiles, M Bernabeu-Wittel, L M Pérez-Belmonte, P Macías-Mir, D Camacho-González, B Massa, M Maiz-Jiménez, M Ollero-Baturone
BMJ Supportive & Palliative Care Sep 2017, 7 (3) 300-307; DOI: 10.1136/bmjspcare-2015-001073
