1. Evaluation of metronidazole in the management of Crohn's disease;Allan;Gut,1977
2. Cyclosporine for Crohn's disease;Allison;Lancet,1984
3. Antibiotic therapy for treatment in relapse of intestinal Crohn's disease;Ambrose;Diseases of the Colon and Rectum,1985
4. The clinical effect of salazosulphapyridine (SalazopyrinR) in Crohn's disease;Anthonisen,1974
5. A double-blind, randomised, placebo-controlled trial of methotrexate in Crohn's disease;Arora;Gastroenterology,1992