UrolithiasisUrinary CalculiPolymorphism, GeneticPolymorphism, Single NucleotideCalcium OxalateKidney CalculiRenal ColicUrinary Bladder CalculiMagnesium CompoundsNephrolithiasisHypercalciuriaHyperoxaluriaOxalatesLithotripsyCystinuriaUreterolithiasisGenetic Predisposition to DiseaseGene FrequencyUreteroscopyNephrocalcinosisAllelesFlank PainCase-Control StudiesUrinalysisTunisiaNephrostomy, PercutaneousDysuriaHaplotypesCalcium CitrateHyperoxaluria, PrimaryLibyaPotassium CitrateUric AcidGenotypeRisk FactorsUrographyPolymerase Chain Reaction