title: Tandem MS: it's now the norm.
authors.affiliation: Chemistry and Metabolic Disease Laboratory, Children's Medical Center Dallas, USA; Department of Pathology, UT Southwestern Medical Center, USA. Electronic address: patti.jones@childrens.com.
authors.forename: Patricia M
authors.initials: PM
authors.lastname: Jones
authors.affiliation: Biochemical Genetics Laboratory, Children's Hospital of Eastern Ontario, Canada; Department of Pathology and Laboratory Medicine, University of Ottawa, Canada.
authors.forename: Nathalie
authors.initials: N
authors.lastname: Lepage
mesh_terms: D059788:Dried Blood Spot Testing; D006801:Humans; D007231:Infant, Newborn; D015997:Neonatal Screening; D053719:Tandem Mass Spectrometry / Q000379:methods*