Impact of productive engagement on demoralization syndrome and its threshold effect in elderly patients with chronic diseases and nursing enlightenment
LIU Rui, WU Min, ZHAO Yunfeng, XU Caijie, WANG Yue, PAN Aihong
Chinese Journal of Nursing . 2025, (13): 1610 -1616 .  DOI: 10.3761/j.issn.0254-1769.2025.13.012