Food Nutr Bull
September 2002
Measurements of deuterium oxide concentrations (DOC) in saliva by infrared spectroscopy (IRS) and isotope ratio mass spectrometry (IRMS) were compared for the calculation of infants' milk intake and maternal body fat. Deuterium oxide (30 g) was given to the mother. DOC by IRS and IRMS were 340 +/- 209 and 345 +/- 202 ppm.
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