Comparative findings on serum IMg2+ of normal and diseased human subjects with the NOVA and KONE ISE's for Mg2+.

"...We did, however, note several interesting findings: 1. randomly, selected hospitalized patients exhibit a much higher incidence of abnormalities for IMg2+ (57-71%) than that noted previously for total Mg (TMg) measurements; and 2. coronary heart disease, rectal cancer and multiple sclerosis patients exhibit extracellular deficits in ionized free Mg..."

https://www.ncbi.nlm.nih.gov/pubmed/7939388?dopt=Abstract

Scand J Clin Lab Invest Suppl. 1994;217:77-81. Comparative Study