@misc{indiciaea34e532acf94, title = {Simplified checkflow device for percutaneous nephroscope sheath.}, author = {R R Landrigan and S M Farber and S C Hopkins}, year = {1986}, doi = {10.1016/0090-4295(86)90053-1}, url = {https://pubmed.ncbi.nlm.nih.gov/3750608/}, note = {Source identifier: 3750608} }