Anxiety status and logistic regression analysis of the influencing factors in elderly patients with insomnia
Yang Zhaoxi, Wan Ailan, Liu Lidan, Wu Guojiang, Xu Mengxia, Tian Yangli.
journal1 . 2020, (4): 308 -310 .  DOI: 10.3969/j.issn.1006-5253.2020.04.005