Siggaard-AndersenO., ThodeJ., WandrupJ.The concentration of free calcium ions in the blood plasma: “ionized calcium”. In: Siggaard-AndersenO., ed. Blood pH. carbon dioxide, oxygen, and calcium-ion. Proc. 5. meeting IFCC Expert Panel on pH and Blood Gases.Copenhagen: Private Press, 1981; 163–90.
2.
ThodeJ., Fogh-AndersenN., AasF., Siggaard-AndersenO.Sampling and storage of blood for determination of ionized calcium. Scand J Clin Lab Invest1985; 45: 131–8.
3.
ToffalettiJ., BlosserN., KirvanK.Effect of storage temperature and time before centrifugation on ionized calcium in blood collected in plain vacutainers and SST tubes. Clin Chem1984; 30: 553–6.
4.
AroldiA.Diagnostica di laboratotio nella nefrolitiasi. In: BrancaccioD., GarellaS., eds. Syllabus di Nefrologia, 7° seminario.Milano: Wichtig Editore, 1991; 21–30.
5.
CrottoginiA.J., Siggaard-AndersenO.Plasma ionized calcium in the critically ill on total parenteral nutrition. Scand J Clin Lab Invest1981; 41: 49–54.
6.
GallieniM, BrancaccioD.Il fosforo come principale stimolo paratiroideo nell'uremico. In: BrancaccioD., ed. Syllabus di nefrologia, 4° seminario.Milano: Wichtig Editore, 1987; 1–4.
7.
VezzoliG., ElliA., PalazziP.High plasma ionized calcium with normal PTH and total calcium levels in normal-function kidney transplant recipients. Nephron1986; 42: 290–4.