我国共病丧偶老年人抑郁症状发展轨迹及影响因素研究
陈莉 , 吴巧燕 , 汪张毅
Chinese Journal of Prevention and Control of Chronic Diseases . 2026, (2): 130 .  DOI: 10.16386/j.cjpccd.issn.1004-6194.20241206.0955