Basic Study
Copyright ©The Author(s) 2019.
World J Gastroenterol. Jul 7, 2019; 25(25): 3218-3230
Published online Jul 7, 2019. doi: 10.3748/wjg.v25.i25.3218
Figure 1
Figure 1 Proton nuclear magnetic resonance spectra. A: 400 MHz representative urine proton nuclear magnetic resonance (1H-NMR) spectra obtained from esophageal cancer (EC) patient (a) and healthy control (b); B: Tissue 1H-NMR spectra obtained from EC tissue (c) and adjacent noncancerous tissue (d) referenced to tetradeuteriopropionate (0.0 ppm).