References
- Ross J W. Calcium sensitive electrodes with liquid-ion exchange. Science 1967; 156: 1378–9
- Thode J, Wandrup J, Aas F., Siggaard-Andejsen O. Evaluation of a new semiautomatic electrode system for simultaneous measurement of ionized calcium and pH. Scand J Clin Lab Invest 1982; 42: 407–15
- Coe F L. Treated and untreated recurrent calcium nephrolithiasis in patients with idiopathic hyper-calciuria, hyperuricosuria. or no metabolic disorder. Ann Int Med 1977; 87: 404–10
- Siggaard-Andersen O, Thode J, Fogh-Andersen N. “What is ionized calcium?”. Scand J Clin Lab Invest 1983; 43(suppl 165)11–16
- Siggaard-Andersen O, Thode J, Wandrup J. The concentration of free calcium ions in the blood plasma. Ionized calcium. Proceedings of the 5th meeting of the IFCC expert panel on pH and blood gases. Workshop, Copenhagen, 1981; 163–190, June
- Nistrup Madsen S, Badawi J, Skovsted L. A simple competitive protein binding assay for adenosine-3′. 5′-monophosphate in plasma and urine. Acta Endocrinol 1975; 81: 208–14
- Thode J, Nistrup-Holmegaard S, Siggaard-Andersen O. Serum ionized calcium, nephro-geneous and total cyclic AMP and urinary phosphate in normal subjects. Scand J Clin Lab Invest 1984; 44: 111–18
- Jacobsen A L, Singhal P C, Mandin H, Hyne B. Letter to the Editor. Variability of ionized calcium with pH of normal urine. Biochem Med 1979; 22: 383–6
- Januzovic N. Ionic calcium in serum and 24 h urine of normoxalaemic patient with verified calcium oxalate urolithiasis. J Clin Chcm Biochem 1981; 19/8: 714
- Kuwahara M, Knabe K, Kageyama S, Orikasa S. Study of the ionized calcium in urine. Japan Urol 1980; 71: 1364
- Robertson W G. Measurement of ionized calcium in biological fluids. Clin Chem Acta 1969; 24: 149–57
- Orloff J, Berler R W. Handbook of physiology - renal physiology (American Physiological Society). Williams and Wilkins, Baltimore 1973; 556
- Tomasic B B, Nancollas G H. The kinetics of dissolution of calcium oxalate hydrates. Invest Urol 1980; 18: 97–101
- Burns J R, Finlayson B, Smith A. Stability of the calcium dioxalate complex. Invest Urol 1980; 18: 165–66
- Burns J R, Finlayson B. A proposal for a standard reference artificial urine in in vitro urolithiasis experiments. Invest Urol 1980; 18: 107–9
- Robertson W G, Morgan D B. The distribution of urinary calcium excretions in normal persons and stone formers. Clin Chem Acta 1972; 37: 503–9
- Colussi G, Surian M, Cittati A, et al. La determinazione del calcio e del magnezio ultrafiltrabili in pazienti con ipercalciuria idiopatica. Min Nefra 1980; 27: 617–20
- Frumar A M, Meldrum D R, Geola F, Shamonki I M, Tataryn I V, Deltos L J, Judd H L. Relationship of fasting urinary calcium to circulating estrogen and body weight in postmenopausal women. J Clin Endocrinol Metab 1980; 50: 70–5
- Wilson D R, Pylypchuk G, Ehrig U. Idiopathic calcium nephrolithiasis 2. Can Med Assoc J 1979; 120: 666–9
- Albrigth F, Hennemann P, Benedict P H, Farbes A P. Idiopathic hypercalciuria. Proc R Soc Med 1953; 46: 1077–81
- Bordier P, Ryckewazt A, Gueris J. On the pathogenesis of so called idiopathic hypercalciuria. Am J Med 1977; 63: 398–409
- Coe F L, Canterbury J M, Fipo J J, Reiss E. Evidence for secondary hyperparathyroidism in idiopathic hypercalciuria. J Clin Invest 1973; 52: 134–42
- Flocks R H. Prophylaxis and medical management of calcium urolithiasis: the role of the quantity and predictability of the urinary calcium. J Urol 1940; 44: 183–90
- Henneman P H, Benedict P H, Forbes A P, Dudley H R. Idiopathic hypercalciuria. N Engl J Med 1958; 259: 802–7, 17
- Nordin B EC, Hodgkinson A, Peacock M. The measurement and the meaning of urinary calcium. Clin Orthop 1967; 52: 293–322
- Hodgkinson A, Pyrah L N. The urinary excretion of calcium and inorganic phosphate in 344 patients with calcium stones of renal origin. Br J Surg 1958; 46: 10–18
- Pak C YC, Nicar M. Long term persistence of metabolic abnormalities in absorptive or renal hypercalciuria. Lancet 1981; i: 356–9
- Peacock M, Robertson W G, Nordin B EC. Relation between serum and urinary calcium with particular reference to parathyroid activity
- Transbøl I. Hypercalcaemia: endocrine and metabolic aspects. University of Copenhagen. 1978, Thesis
- Nordin B EC. Calcium phosphate and magnesium metabolism. Churchill Livingstone, London 1976; 113