Incidence and recurrence rate of sigmoid diverticulitis in patients requiring admission to hospital in Iceland from 1985 to 2014: nationwide population-based register study; B. T. Alexandersson and T. Stefánsson

Population-Based Colonoscopy Screening for Colorectal Cancer; A European randomized clinical trial. The Nordic-European Initiative on Colorectal Cancer (NordICC) study group.

The NordICC Study: Rationale and design of a randomized trial on colonoscopy screening for colorectal cancer; NordICC Study Group

Skimun fyrir krabbameini í ristli og endaþarmi (KRE) á Íslandi; Ásgeir Theodórs og Tryggvi Björn Stefánsson.

Leit að blóði í hægðum eða ristilspeglun? Ásgeir Theodórs og Tryggvi Björn Stefánsson.

Politikk og vitenskap ved screening for kolorektal kreft; Anders Ekbom Nea Malila Tryggvi Stefansson Anders Fischer Geir Hoff Elisabete Weiderpass Steinar Tretli Laufey Trygvadottir Hans Storm Iben Holten Hans-Olov Adami NordICC-gruppen (Nordic Initiative on Colorectal Cancer)

Skimun fyrir krabbameini í ristli og endaþarmi Samvinna milli stjórnmálamanna og vísindamanna er nauðsynleg; Michael Bretthauer, Anders Ekbom, Nea Malila, Tryggvi Stefánsson, Anders Fischer, Geir Hoff, Elisabete Weiderpass, Steinar Tretli, Laufey Tryggvadóttir, Hans Storm, Iben Holten, Hans-Olov Adam

Incidence of Inflammatory Bowel Disease in Iceland 1995-2009. A Nationwide Population based Study. Inflammatory Bowel Disease in Iceland. Sigurður Björnsson, Friðrik Þór Tryggvason, Jón G Jónasson , Nick Cariglia, Kjartan Örvar, Sjöfn Kristjánsdóttir, Tryggvi Stefansson.

Lífsgæði eftir ristilbrottnám vegna sáraristilbólgu; Katrín Guðlaugsdóttir, Elsa B. Valsdóttir, Tryggvi B. Stefánsson.

Sex-Based Differences in Incidence of Inflammatory Bowel Diseases—Pooled Analysis of Population-Based Studies From Western Countries; Shailja C. Shah et al.

Sequence variants in ARHGAP15, COLQ and FAM155A associate with diverticular disease and diverticulitis; Íslensk Erfðagreining/Decode.

Relationship between method of anastomosis and anastomotic failure after right hemicolectomy and ileo-caecal resection: an international snapshot audit; The 2015 European Society of Coloproctology collaborating group

Familial risk of colon and rectal cancer in Iceland: Evidence for different etiologic factors? Tryggvi Stefansson, Pall H. Moller, Fridbjorn Sigurdsson , Eirikur Steingrimsson and Bjarki Jonsson Eldon.

The risk of colorectal cancer after an attack of uncomplicated diverticulitis Bjarki T. Alexandersson, Johann P. Hreinsson, Tryggvi Stefansson, Jon Gunnlaugur Jonasson & Einar S. Bjornsson

Comprehensive population-wide analysis of Lynch syndrome in Iceland reveals founder mutations in MSH6 and PMS2; Íslensk Erfðagreining/Decode

A germline variant in the TP53 polyadenylation signal confers cancer susceptibility; Íslensk Erfðagreining/Decode

Genetics of gene expression and its effect on disease. Íslensk Erfðagreining/Decode.

Randomized clinical trial of antibiotics in acute uncomplicated diverticulitis; AVOD Study Group

Laparoscopic Suture Rectopexy; Wilhelm Graf, Tryggvi Stefánsson, Dag Arvidsson, Lars Påhlman.

Clinical and functional results after elective colonic resection in 75 consecutive patients with diverticular disease; Magnus Thörn, Wilhelm Graf, Tryggvi Stefánsson, Lars Påhlman.

Increased risk of left sided colon cancer in patients with diverticular disease T Stefansson, A Ekbom, P Sparen, L Pahlman

Diverticulitis of the sigmoid colon T. Stefánsson, R. Nyman, S. Nilsson, A. Ekbom & L. Påhlman

Association Between Sigmoid Diverticulitis and Left-sided Colon Cancer: a Nested, Population-based, Case Control Study. T. Stefánsson, A. Ekbom, P. Sparen & L. Påhlman

Cancers among Patients Diagnosed as Having Diverticular Disease of the Colon; T. Stefánsson, A. Ekbom, P. Sparen, L. Påhlman

Accuracy of Double Contrast Barium Enema and Sigmoideoscopy in the Detection of Polyps in Patients with Diverticulosis; T. Stefánsson, A. Bergman, A. Ekbom, R. Nyman & L. Páhlman