Johannes Aas

Risk factors for post-ERCP pancreatitis: A prospective, multicenter study

Martin L. Freeman, James A. DiSario, Douglas B. Nelson et al. · Gastrointestinal Endoscopy · 2001 · 1.2K citations

Pancreatic Fluid Collection, Clinical Epidemiology, Gastroenterology +8

Recurrent <i>Clostridium difficile</i> Colitis: Case Series Involving 18 Patients Treated with Donor Stool Administered via a Nasogastric Tube

Johannes Aas, Charles E. Gessert, Johan Bakken · Clinical Infectious Diseases · 2003 · 512 citations

Recovery of the Gut Microbiome following Fecal Microbiota Transplantation

Anna M. Seekatz, Johannes Aas, Charles E. Gessert et al. · mBio · 2014 · 327 citations · Full text

Fecal microbiome transplantation for recurrent Clostridium difficile infection: Report on a case series

Timothy A. Rubin, Charles E. Gessert, Johannes Aas et al. · Anaerobe · 2012 · 133 citations

Medical Microbiology, Dysbiosis, Case Series +7

Tubal Pregnancies in Women Using Progestagen‐Only Contraception

Per Bergsjø, H Langengen, Johannes Aas · Acta Obstetricia Et Gynecologica Scandinavica · 1974 · 28 citations

Contraceptive Use, Hormonal Contraceptive, Fertility +16