Z-line alterations and gastroesophageal reflux: an endoscopic population-based prospective cohort study

- Wallner, Bengt, Björ, Ove, Andreasson, Anna, Vieth, Michael, Schmidt, Peter T., Hellström, Per M., Forsberg, Anna, Talley, Nicholas J., Agreus, Lars

Identifying clinically relevant sliding hiatal hernias: a population-based endoscopy study

- Wallner, Bengt, Björ, Ove, Andreasson, Anna, Hellström, Per M., Forsberg, Anna M., Talley, Nicholas J., Agreus, Lars

Hill classification is superior to the axial length of a hiatal hernia for assessment of the mechanical anti-reflux barrier at the gastroesophageal junction

- Hansdotter, Ida, Björ, Ove, Andreasson, Anna, Agreus, Lars, Hellström, Per, Forsberg, Anna, Talley, Nicholas J., Vieth, Michael, Wallner, Bengt