吴天忠. 老年重症肺炎病人营养支持治疗的疗效评价. 当代医学进展, [S. l.], v. 2, n. 1, p. 7–9, 2022. Disponível em: https://cn.leadingpub.com/ddyxjz/article/view/11. Acesso em: 5 4月. 2025.