Wikström , B. ., Backman , U. ., Danielson , B. G. ., Fellström , B. ., Johansson , G. ., & Ljunghall , S. . (1985). Tubular Proteinuria in Renal Calcium Stone Formers. Upsala Journal of Medical Sciences, 90(1), 25–30. https://doi.org/10.3109/03009738509178634