Venous thromboembolism in patients with inflammatory bowel diseases: a case-control study of risk factors.

Cost-effectiveness analysis of chromoendoscopy for colorectal cancer surveillance in patients with ulcerative colitis.

Pretreatment 25-hydroxyvitamin D levels and durability of anti-tumor necrosis factor-α therapy in inflammatory bowel diseases.

Physical activity and risk of inflammatory bowel disease: prospective study from the Nurses' Health Study cohorts.

A prospective study of long-term intake of dietary fiber and risk of Crohn's disease and ulcerative colitis.

Ustekinumab for moderate-to-severe Crohn's disease.

An unusual case of chronic diarrhea. Lansoprazole-induced microscopic colitis.

Incidence and risk factors for herpes zoster among patients with inflammatory bowel disease.

Increased risk for demyelinating diseases in patients with inflammatory bowel disease.