Peitz, U., Vieth, M., Evert, M., Arand, J., Roessner, A., & Malfertheiner, P. (2017). The prevalence of gastric heterotopia of the proximal esophagus is underestimated, but preneoplasia is rare - correlation with Barrett’s esophagus. BMC Gastroenterol.

Peitz, Ulrich, Michael Vieth, Matthias Evert, Jovana Arand, Albert Roessner, i Peter Malfertheiner. "The Prevalence of Gastric Heterotopia of the Proximal Esophagus Is Underestimated, but Preneoplasia Is Rare - Correlation With Barrett’s Esophagus." BMC Gastroenterol 2017.

Peitz, Ulrich, et al. "The Prevalence of Gastric Heterotopia of the Proximal Esophagus Is Underestimated, but Preneoplasia Is Rare - Correlation With Barrett’s Esophagus." BMC Gastroenterol 2017.