Hesswani, C., Noureldin, Y. A., Elkoushy, M. A., & Andonian, S. (2015). Combined vitamin D and calcium supplementation in vitamin D inadequate patients with urolithiasis: Impact on hypercalciuria and de novo stone formation. Canadian Urological Association Journal, 9(11-12), 403–8. https://doi.org/10.5489/cuaj.3332