S423 Analytical Validation of a Barrett's Esophagus Risk Stratification Methylation Assay. (October 2021) - Merz, Ben; Bastakot, Indu; Kann, Lisa; Lu, David; Gong, Dennis; Laun, Sarah; Uberbacher, Ed; Cheng, Yulan; Ma, Ke; Meltzer, Stephen J.; Lunz, Daniel G.