TY - RPRT TI - Pyelovenous backflow: implications for coagulum pyelolithotomy and nephroscopy. AU - L P Sonda AU - C P Fischer AU - M D Gross AU - R W Skinner PY - 1985 DO - 10.1016/s0022-5347(17)49275-5 UR - https://pubmed.ncbi.nlm.nih.gov/3989933/ ID - 3989933 ER -