Association between the metabolic profile of urolithiasis in children with idiopathic hypercalciuria and the composition of the stone assessed by infrared spectroscopy - Placzyńska, Małgorzata; Milart, Joanna; Lubas, Arkadiusz; Samotyjek, Joanna; Jurkiewicz, Beata; Kalicki, Bolesław; Jobs, Katarzyna (Pediatria Polska - Polish Journal of Paediatrics, 2023)