%0 Journal Article %T Validation of Accuracy-based Amino Acid Reference Materials in Dried-Blood Spots by Tandem Mass Spectrometry for Newborn Screening Assays %A Chace, Donald, H %A Adam, Barbara, W %A Smith, S, Jay %A Alexander, J, Richard %A Hillman, Steven, L %A Hannon, W, Harry %J Clinical Chemistry %V 45 %N 8 %P 1269-1277 %@ 0009-9147 %D 1999-08-01 %I Oxford Academic %~ DeepDyve