Klingele, M., Seiler, S., Poppleton, A., Lepper, P., Fliser, D., & Seidel, R. (2014). The gap between calculated and actual calcium substitution during citrate anticoagulation in an immobilised patient on renal replacement therapy reflects the extent of bone loss – a case report. BMC Nephrology, 15(1), https://doi.org/10.1186/1471-2369-15-163