In vitro fragmentation efficiency of holmium: yttrium‐aluminum‐garnet (YAG) laser lithotripsy – a comprehensive study encompassing different frequencies,pulse energies,total power levels and laser fibre diameters
1. Departments of Urology, Hospital Prof. Doutor Fernando Fonseca, , Amadora, Portugal;2. H?pital Tenon, Université Pierre et Marie Curie – Paris VI, , Paris, France