Performance characteristics of six automated 25-hydroxyvitamin D assays: Mind your 3s and 2s
Keywords: موسسه ی ملی استانداردها و تکنولوژی; 25(OH)D; 25-hydroxyvitamin D; LC-MS/MS; liquid chromatography-tandem mass spectrometry; LOB; limit of blank; IDMS; isotope-dilution liquid chromatography-tandem mass spectrometry; NIST; National Institute of Standards and Technology; CAP; College of Ameri