The Association Between Depressive Symptoms and Insomnia in College Students in Qinghai Province: The Mediating Effect of Rumination oleh Shuheng Xiao, Shuai Liu, Shuai Liu, Puxiao Zhang, Jia Yu, Huaihong A, Hui Wu, Fabin Zhang, Yulan Xiao, Naiben Ma, Xiuqin Zhang, Xiuqin Zhang, Xiaoxia Ma, Junfeng Li, Junfeng Li, Xiaodun Wang, Xiaodun Wang, Xin Shao, Xin Shao, Wenjing Liu, Xiaolin Zhang, Wei Wu, Lihua Wang, Rihan Wu, Yinglian He, Zeyu Xu, Luhao Chi, Shixu Du, Bin Zhang