Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleA NEW CONCEPT FOR ACTIVE OCCLUSION DURING PERCUTANEOUS NEPHROLITHOTRIPSY: THE‘COUNTER-FLOW’ PRINCIPLE.AuthorsKamat, NageshAbstractPresents a letter to the editor regarding the new concept for active ureteric occlusion during percutaneous nephrolithotripsy, published in the December 2004 issue of the "British Journal of Urology International."SubjectsURETER surgery; LETTERS to the editorPublicationBJU International, 2004, Vol 94, Issue 9, p1401ISSN1464-4096Publication typeLetterDOI10.1111/j.1464-410X.2004.05224_4.x