Andrea Nixon

Urinary NGAL as a Diagnostic and Prognostic Marker for Acute Kidney Injury in Cirrhosis: A Prospective Study

Andrew S. Allegretti, Xavier Vela Parada, Paul Endres et al. · Clinical and Translational Gastroenterology · 2021 · 109 citations · Full text

Urinary Buprenorphine Concentrations in Patients Treated with Suboxone(R); as Determined by Liquid Chromatography-Mass Spectrometry and CEDIA Immunoassay

Michael Hull, Michael F. Bierer, David Griggs et al. · Journal of Analytical Toxicology · 2008 · 62 citations · Full text

Liquid Chromatography-mass Spectrometry, Total Buprenorphine, Pharmacotherapy +19

The Trazodone Metabolite meta-Chlorophenylpiperazine Can Cause False-Positive Urine Amphetamine Immunoassay Results

Jason M. Baron, David Griggs, Andrea Nixon et al. · Journal of Analytical Toxicology · 2011 · 39 citations · Full text

Effect of Tramadol Use on Three Point-of-Care and One Instrument-Based Immunoassays for Urine Buprenorphine

S.R. Shaikh, Mindy J. Hull, Kenneth A. Bishop et al. · Journal of Analytical Toxicology · 2008 · 23 citations · Full text

Postmortem Urine Immunoassay Showing False-Positive Phencyclidine Reactivity in a Case of Fatal Tramadol Overdose

Mindy J. Hull, David Griggs, Stewart M. Knoepp et al. · American Journal of Forensic Medicine & Pathology · 2006 · 18 citations

Fatal Tramadol Overdose, False-positive Phencyclidine Reactivity, Pharmacotherapy +20