老年重症患者有创机械通气后低氧血症发生情况及预警模型研究. 环球医学研究, [S. l.], v. 1, n. 1, 2024. DOI: 10.62836/medicine.v1i1.152. Disponível em: https://cn.sgsci.org/medicine/article/view/152.. Acesso em: 4 4月. 2025.