Seasonal variations in urinary calcium, volume, and vitamin D in kidney stone formers
Int. braz. j. urol; 44 (5), 2018
ABSTRACT Objectives: To investigate the seasonal variations in urinary calcium, serum vitamin D, and urinary volume in patients with a history of nephrolithiasis. Materials and Methods: Patients included were those who completed a 24-hour urine metabolic evaluation on two occasions; one in summer (June...