M. Ortner

Association of viral variant and vaccination status with the occurrence of symptoms compatible with post-acute sequelae after primary SARS-CoV-2 infection

L. Risch, P. Vernazza, M. Schlegel, 2022, medRxiv.

Successful photodynamic therapy for nonresectable cholangiocarcinoma: a randomized prospective study.

U. Mansmann, F. Berr, K. Caca, 2003, Gastroenterology.

Reduced Medication Dependency and Improved Symptoms and Quality of Life 12 Months After Enteryx Implantation for Gastroesophageal Reflux

T. Ponchon, P. Siersema, H. Neuhaus, 2005, Journal of clinical gastroenterology.

Treatment with tumour necrosis factor inhibitor oxpentifylline does not improve corticosteroid dependent chronic active Crohn's disease.

M. Ortner, H. Lochs, J. Bauditz, 1997, Gut.

Association between intraepithelial Escherichia coli and colorectal cancer.

D. Kerjaschki, M. Ortner, H. Lochs, 1998, Gastroenterology.