Normalized serum eosinophil peroxidase levels are inversely correlated with esophageal eosinophilia in eosinophilic esophagitis. - Wright, Benjamin L.; Ochkur, S. I.; Olson, N. S.; Shim, K. P.; Jacobsen, E. A.; Rank, M. A.; Dellon, E. S.; Lee, J. J. (Diseases of the Esophagus, 2018)