TY - RPRT TI - Flexible ureteroscopes: a user's guide. AU - J Parkin AU - F X Keeley AU - A G Timoney PY - 2002 DO - 10.1046/j.1464-410x.2002.03017.x UR - https://pubmed.ncbi.nlm.nih.gov/12410739/ ID - 12410739 ER -