Sarcopenia as a Prognostic Factor in Gastrointestinal Cancer. Acta gastro-enterologica Belgica, [S. l.], v. 81, 2023. DOI: 10.92151/e1az1b15. Disponível em: https://acta-be.org/index.php/ACTA/article/view/27. Acesso em: 28 mar. 2026.