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Nicholas T. Lappas, Ph.D.
Nicholas T. Lappas, Ph.D.
Associate Professor
Articles by Nicholas T. Lappas, Ph.D.
Determination of Pain-Management Drugs in Human Urine Using “Flip-Flop” Chromatography and Time-of-Flight Mass Spectrometry
Tuesday, July 19, 2016
An estimated 21.5 million Americans aged 12 and above had a substance use disorder in 2014; 1.9 million had a substance-use disorder involving prescription pain relievers.
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