Effect of chocolate on older patients with cancer in palliative care: a randomised controlled study - Vettori, Josiane Cheli; Silva, Luanda Guimarães da; Pfrimer, Karina; Jordão Junior, Alceu Afonso; Louzada Júnior, Paulo; Moriguti, Júlio César; Ferriolli, Eduardo; Lima, Nereida Kilza da Costa (BMC Palliative Care, 2022)