External quality assessment of Syva Emit and Abbott TDx II assays for methotrexate in serum.

@article{Wilson1996ExternalQA,
  title={External quality assessment of Syva Emit and Abbott TDx II assays for methotrexate in serum.},
  author={John Fawcett Wilson and Lolita M Tsanaclis and Kathleen Barnett},
  journal={Therapeutic drug monitoring},
  year={1996},
  volume={18 6},
  pages={721-3}
}
The Syva Emit and Abbott TDx II kits for determination of methotrexate in serum were compared using data from 14 samples distributed by the United Kingdom National External Quality Assessment Scheme to a mean of 38 European laboratories. For methotrexate concentrations above 0.2 mumol/L, there was no significant difference in the bias or coefficient of… CONTINUE READING