Response to Gelb et al: “Comparison of tandem mass spectrometry to fluorometry for newborn screening of LSDs”

Dr. Millington refutes further misinformation regarding the application of ‘equivalent cutoffs’ to prospective NBS data, misleading comparisons of MS/MS and fluorometry GAA testing methods and the effect of preanalytical variability on LSD NBS results.

Author: David S. Millington

MGM Reports. 2017; 12: 98. doi: 10.1016/j.ymgmr.2017.06.008. Epub 2017 July 6.

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