Citation: W. Stegmann et U. Karbach, PLASMA KINETICS OF MAGNESIUM AND CALCIUM STABLE-ISOTOPE TRACERS IN A HUMAN SUBJECT AFTER SIMULTANEOUS ORAL INGESTION OF MG-25 AND CA-44 DETERMINED BY THERMAL IONIZATION MASS-SPECTROMETRY, Biological mass spectrometry, 22(8), 1993, pp. 441-446