@article{182046,
  author = {Susan Tai and Bei Xu and Michael Welch},
  title = {Development and Evaluation of a Candidate Reference Measurement Procedure for the Determination of Progesterone in Human Serum Using Isotope-Dilution Liquid Chromatography-Tandem Mass Spectrometry},
  year = {2006},
  number = {78 No 18},
  month = {2006-09-01},
  publisher = {Analytical Chemistry},
  language = {en},
}