2013
Do deuterium labeled internal standards correct for matrix effects in LC-MS/MS assays? A case study using plasma free metanephrine and normetanephrine
Bunch DR, El-Khoury JM, Gabler J, Wang S. Do deuterium labeled internal standards correct for matrix effects in LC-MS/MS assays? A case study using plasma free metanephrine and normetanephrine. Clinica Chimica Acta 2013, 429: 4-5. PMID: 24269502, DOI: 10.1016/j.cca.2013.11.013.Peer-Reviewed Original Research
2012
Does Paricalcitol (Zemplar®) interfere with 1,25-dihydroxyvitamin D measurement by liquid chromatography–tandem mass spectrometry assays?
El-Khoury JM, Bicer F, Bunch DR, Yuan C, Wang S. Does Paricalcitol (Zemplar®) interfere with 1,25-dihydroxyvitamin D measurement by liquid chromatography–tandem mass spectrometry assays? Clinica Chimica Acta 2012, 415: 230-232. PMID: 23142648, DOI: 10.1016/j.cca.2012.10.050.Peer-Reviewed Original Research