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Use of Tandem Mass Spectrometry for Multianalyte Screening of Dried Blood Specimens from Newborns
(2003)
Background:Over the past decade laboratories that test
for metabolic disorders have introduced tandem mass
spectrometry (MS/MS), which is more sensitive, spe-cific, reliable, and comprehensive than traditional as-says, ...
Neonatal Blood Carnitine Concentrations: Normative Data by Electrospray Tandem Mass Spectometry
(2003)
Despite a number of published reports, there is limited infor-mation about carnitine metabolism in the newborn. To establish
normative data, we analyzed whole-blood carnitine concentra-tions in 24,644 newborns at age 1.85 ...