Keywords employed in the search strategy for each database

Supplementary table for the paper on Long non-coding RNAs as prognostic biomarkers in non-muscle invasive bladder cancer: A systematic review《非肌层浸润性膀胱癌（non-muscle invasive bladder cancer）中长链非编码RNA（Long non-coding RNAs）作为预后生物标志物：一项系统综述》论文的补充表格