Department of Geriatrics;
First Affiliated Hospital;
School of Medicine;
Zhejiang University;
Hangzhou 310009;
Zhejiang Province;
China;
College of Medicine;
Hangzhou Normal University;
Hangzhou 310018;
Zhejiang Province;
China;
肺部感染; 中风; 营养状况; 并发; 营养不良; 蛋白质; 住院治疗; 能量;