Research Article
[Retracted] The Use of BT-ESD Technology under General Intravenous Anesthesia in the Treatment of Nonmuscle Invasive Bladder Cancer and the Effect of PI3K/Akt Signaling Pathway on Tumor Recurrence
Figure 2
Comparison of operation duration among the patients in three groups (the single gray-shaded small circle indicated ; the double gray-shaded small circle indicated ).