S N Cockrell

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Records were reviewed of 100 patients who underwent an operation for ureteropelvic junction obstruction from 1978 to 1989: 14 cases were bilateral and 17 were antenatally diagnosed. The ureter was opacified preoperatively in all but 1 patient: in 65 by retrograde pyelography, in 18 by antegrade pyelography, either through a nephrostomy tube with which the(More)
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