TY - RPRT TI - Indirect-direct cystoscopy. AU - L M Silber AU - W Ratnathicam AU - J C Addonizio PY - 1980 DO - 10.1016/0090-4295(80)90480-x UR - https://pubmed.ncbi.nlm.nih.gov/7394966/ ID - 7394966 ER -