The skin-to-calyx distance measured by renal ct scan and ultrasound - Shan, Chen Jen; Mazzucchi, Eduardo; Payão, Fabio; Gomes, Andrea Cavalanti; Baroni, Ronaldo Hueb; Torricelli, Fabio Cesar; Vicentini, Fabio Carvalho; Srougi, Miguel (International Brazilian Journal of Urology, 2014)