The natural history of corticosteroid therapy for inflammatory bowel disease: A population-based study

Truelove, 1955, Cortisone in ulcerative colitis.Final report on a therapeutic trial, BMJ, 2, 1041, 10.1136/bmj.2.4947.1041

Summers, 1979, National Cooperative Crohn's Disease Study: results of drug treatment, Gastroenterology, 77, 847, 10.1016/0016-5085(79)90385-8

Hanauer, 2001, .Management of Crohn's disease in adults, Am J Gastroenterol, 96, 635, 10.1111/j.1572-0241.2001.03671.x

Kornbluth, 1997, Ulcerative colitis practice guidelines in adults.American College of Gastroenterology, Practice Parameters Committee, Am J Gastroenterol, 92, 204

Munkholm, 1994, Frequency of glucocorticoid resistance and dependency in Crohn's disease, Gut, 35, 360, 10.1136/gut.35.3.360

Truelove, 1974, Intensive intravenous regimen for severe attacks of ulcerative colitis, Lancet, 1, 1067, 10.1016/S0140-6736(74)90552-2

Loftus, 1998, Crohn's disease in Olmsted County, Minnesota, 1940-1993: incidence, prevalence, and survival, Gastroenterology, 114, 1161, 10.1016/S0016-5085(98)70421-4

Loftus, 2000, Ulcerative colitis in Olmsted County, Minnesota, 1940-1993: incidence, prevalence, and survival, Gut, 46, 336, 10.1136/gut.46.3.336

Melton, 1996, History of the Rochester Epidemiology Project, Mayo Clin Proc, 71, 266, 10.4065/71.3.266

Silverstein, 1999, Clinical course and costs of care for Crohn's disease: Markov model analysis of a population-based cohort, Gastroenterology, 117, 49, 10.1016/S0016-5085(99)70549-4

Munkholm, 1995, Disease activity courses in a regional cohort of Crohn's disease patients, Scand J Gastroenterol, 30, 699, 10.3109/00365529509096316

Langholz, 1994, Course of ulcerative colitis: analysis of changes in disease activity over years, Gastroenterology, 107, 3, 10.1016/0016-5085(94)90054-X

Farmer, 1985, Long-term follow-up of patients with Crohn's disease.Relationship between the clinical pattern and prognosis, Gastroenterology, 88, 1818, 10.1016/0016-5085(85)90006-X

Farmer, 1993, Clinical patterns, natural history, and progression of ulcerative colitis.A long-term follow-up of 1116 patients, Dig Dis Sci, 38, 1137, 10.1007/BF01295733

Candy, 1995, A controlled double blind study of azathioprine in the management of Crohn's disease, Gut, 37, 674, 10.1136/gut.37.5.674

Markowitz, 2000, A multi-center trial of 6-mercaptopurine and prednisone in children with newly diagnosed Crohn's disease, Gastroenterology, 119, 895, 10.1053/gast.2000.18144

Feagan, 1995, Methotrexate for the treatment of Crohn's disease.The North American Crohn's Study Group Investigators, N Engl J Med, 332, 292, 10.1056/NEJM199502023320503

Feagan, 2000, A comparison of methotrexate with placebo for the maintenance of remission in Crohn's disease.North American Crohn's Study Group Investigators, N Engl J Med, 342, 1627, 10.1056/NEJM200006013422202

Lichtiger, 1994, Cyclosporine in severe ulcerative colitis refractory to steroid therapy, N Engl J Med, 330, 1841, 10.1056/NEJM199406303302601

Kirk, 1982, Controlled trial of azathioprine in chronic ulcerative colitis, Br Med J, 284, 1291, 10.1136/bmj.284.6325.1291

Rosenberg, 1975, A controlled trial of azathioprine in the management of chronic ulcerative colitis, Gastroenterology, 69, 96, 10.1016/S0016-5085(19)32641-1

Ricart, 2001, In-fliximab for Crohn's disease in clinical practice at the Mayo Clinic: the first 100 patients, Am J Gastroenterol, 96, 722, 10.1111/j.1572-0241.2001.03612.x

Feagan, 2000, A randomized, double-blind, placebo-controlled, multi-center trial of the engineered human antibody to TNF (CDP571) for steroid sparing and maintenance of remission in patients with steroid-dependent Crohn's disease, Gas-troenterology, 118, A655, 10.1016/S0016-5085(00)84761-7