Identifying risk factors for chronic kidney disease stage 3 in adults with acquired solitary kidney from unilateral nephrectomy: a retrospective cohort study oleh Wen-Jun Zhang, Zi-Yi Wang, Wei-Xing Zhou, Ning-Qiang Yang, Ya Wang, Ya Tang, Xiao-Chun Zhou, Jie-Cao Dao, Yan-Ru Ma, Yan-Ping He, Xiao-Ling Wang, Wen-Ge Wang, Li Yang