@article{80081,
  author = {S Margolis and M Vangel and David Duewer},
  title = {Certification of Standard Reference Material 970, Ascorbic Acid in Serum, and Analysis of Associated Interlaboratory Bias in the Measurement Process},
  year = {2003},
  number = {49},
  month = {2003-01-01},
  publisher = {Clinical Chemistry},
  language = {en},
}