Drehner, D M Calcium does not interfere with measurement of magnesium in the Dupont "aca-III". [electronic resource] - Clinical chemistry Oct 1987 - 1936 p. digital Publication Type: Journal Article ISSN: 0009-9147 Subjects--Topical Terms: Autoanalysis--instrumentationCalciumHumansInfant, NewbornInfant, PrematureMagnesium--blood