Xue, M., L. Liu, G. Du, and Z. Fu. “Diagnostic Evaluation of 18F-FDG PET/CT Imaging in Recurrent or Residual Urinary Bladder Cancer: A Meta-Analysis”. Urology Journal, vol. 17, no. 6, Apr. 2020, pp. 562-7, doi:10.22037/uj.v17i6.5538.