1. PURINE METABOLISM DYSHOMEOSTASIS AND THE HETEROGENOUS NUCLEATION OF UROCONCREMENTS NOTE I. ALKALINE AND ALKALINE-EARTH METALS IN PURINE UROLITHIASIS. Authors: ALIN CUMPĂNAŞ, MIRCEA BOTOCA, GEORGE-DANIEL GHIBU, FRANCISC PETER, GABRIELA GÂRBAN, ADINA-ELENA AVACOVICI, ZENO GÂRBAN.