FDAnews
www.fdanews.com/articles/132074-study-shockwaves-better-than-surgery-for-smaller-kidney-stones

Study: Shockwaves Better Than Surgery for Smaller Kidney Stones

November 19, 2010
Different techniques should be used to remove single stones that have become lodged in the distal ureter after being expelled by the kidney, depending on whether they are under or above one centimeter, according to the December issue of [the Journal of the British Association of Urological Surgeons].
ScienceDaily