Clinical features and natural history of Crohn's disease

Winship, 1979, National Cooperative Crohn's Disease Study: Study Design and Conduct of the Study, Gastroenterology, 77, 829, 10.1016/0016-5085(79)90383-4 Hill, 1979, Clinical usefulness of rectal biopsy in Crohn's disease, Gastroenterology, 77, 938, 10.1016/0016-5085(79)90394-9 Goldberg, 1979, Radiographic findings of the National Cooperative Crohn's Disease Study, Gastroenterology, 77, 925, 10.1016/0016-5085(79)90393-7 Best, 1976, Development of a Crohn's Disease Activity Index, Gastroenterology, 70, 439, 10.1016/S0016-5085(76)80163-1 Summers, 1979, National Cooperative Crohn's Disease Study: Results of Drug Treatment, Gastroenterology, 77, 847, 10.1016/0016-5085(79)90385-8 Kaplan, 1958, Nonparametric estimations from incomplete observations, J Am Statist Assoc, 53, 457, 10.1080/01621459.1958.10501452 Cox, 1972, Regression models and life tables (with discussion), J Roy Statist Soc, 34, 187 Armitage, 1974, Statistical method for the identification and use of prognostic factors, Int J Cancer, 13, 16, 10.1002/ijc.2910130104 Snedecor, 1968, Statistical Methods, 91 Monk, 1967, An epidemiological study of ulcerative colitis and regional enteritis among adults in Baltimore. I. Hospital incidence and prevalence, 1960 to 1963, Gastroenterology, 53, 198, 10.1016/S0016-5085(19)34227-1 Monk, 1969, An epidemiological study of ulcerative colitis and regional enteritis among adults in Baltimore, II. Social and demographic factors, Gastrocnterology, 56, 847, 10.1016/S0016-5085(69)80087-9 Brahme, 1975, Crohn's disease in a defined population, Gastrocnterology, 69, 342, 10.1016/S0016-5085(19)32575-2 Truelove, 1976, Course and prognosis of Crohn's disease, Gut, 17, 192, 10.1136/gut.17.3.192 Kyle, 1972 Kyle, 1971, An epidemiological study of Crohn's disease in North-east Scotland, Gastroenterology, 61, 826, 10.1016/S0016-5085(19)33394-3 Rogers, 1971, The epidemiologic and demographic characteristics of inflammatory bowel disease: an analysis of a computerized file of 1400 patients, J Chron Dis, 24, 743, 10.1016/0021-9681(71)90087-7 Farmer, 1975, Clinical pattern in Crohn's disease: a statistical study of 615 cases, Gastroenterology, 68, 627, 10.1016/S0016-5085(75)80270-8 O'Donoghue, 1978, Double blind withdrawal trial of azathioprine as maintenance treatment of Crohn's disease, Lancet, 2, 955, 10.1016/S0140-6736(78)92524-2 Mekhjian, 1979, National Cooperative Crohn's Disease Study: Factors Determining Recurrence of Crohn's Disease After Surgery, Gastroenterology, 77, 907, 10.1016/0016-5085(79)90390-1 Greenstein, 1976, The extraintestinal complications of Crohn's disease and ulcerative colitis: a study of 700 patients, Medicine Baltimore, 55, 401, 10.1097/00005792-197609000-00004 Ruddell, 1977, Rectal potential difference and histology in Crohn's disease, Gut, 18, 284, 10.1136/gut.18.4.284 Rotterdam, 1977, Microgranulomas in grossly normal rectal mucosa in Crohn's disease, Am J Clin Pathol, 67, 550, 10.1093/ajcp/67.6.550 Goodman, 1976, Abnormalities in the apparently normal bowel mucosa in Crohn's disease, Lancet, 1, 275, 10.1016/S0140-6736(76)91404-5 Korelitz, 1977, Rectal biopsy in patients with Crohn's disease, JAMA, 237, 2742, 10.1001/jama.1977.03270520052023 Chalmers, 1972, Controlled studies in clinical cancer research, N Engl J Med, 287, 75, 10.1056/NEJM197207132870205 Moss, 1978, Radiologic and clinical assessment of broad spectrum antibiotic therapy in Crohn's disease, Am J Radiol, 131, 787 Korelitz, 1968, Granulomatous colitis in children: a study of 25 cases and comparisons with ulcerative colitis, Pediatrics, 42, 446, 10.1542/peds.42.3.446 Morl, 1978, Morbus Crohn. Verlauf und Prognose bei 169 Kranken, Dtsch Med Wochenschr, 103, 1325 Ehrenpreis, 1971, Crhonic regional enterocolitis in children and adolescents, Acta Paediatr Scand, 60, 209, 10.1111/j.1651-2227.1971.tb06644.x