Torres Ramirez C, Aguilar Ruiz J, Zuluaga Gomez A, Espuela Orgaz R, Del Rio Samper S
J Urol. 1980 Dec;124(6):840-3. doi: 10.1016/s0022-5347(17)55691-8.
We analyzed 70 prostatic calculi using crystallographic methods and determined the individual composition of the layers, structures and ultrastructures, thus, obtaining a more precise classification of these calculi.