Fig. 1From: Rapid and simple LC–MS/MS determination of urinary ethyl glucuronide, naltrexone, 6β-naltrexol, chlordiazepoxide, and norchlordiazepoxide for monitoring alcohol abuseChromatograms of NTX at varying reconstituted solvent ratios used in the precipitation method a 10% methanol, b 30% methanol, and c 50% methanolBack to article page