APA

Hellers G., Cortot A., Jewell D., Leijonmarck C. E., Löfberg R., Malchow H., Nilsson L. G., Pallone F., Pena S., Persson T., Prantera C. & Rutgeerts P. (19990218). Oral budesonide for prevention of postsurgical recurrence in Crohn's disease. The IOIBD Budesonide Study Group. : Gastroenterology.

Chicago

Hellers G, Cortot A, Jewell D, Leijonmarck C E, Löfberg R, Malchow H, Nilsson L G, Pallone F, Pena S, Persson T, Prantera C and Rutgeerts P. 19990218. Oral budesonide for prevention of postsurgical recurrence in Crohn's disease. The IOIBD Budesonide Study Group. : Gastroenterology.

Harvard

Hellers G., Cortot A., Jewell D., Leijonmarck C. E., Löfberg R., Malchow H., Nilsson L. G., Pallone F., Pena S., Persson T., Prantera C. and Rutgeerts P. (19990218). Oral budesonide for prevention of postsurgical recurrence in Crohn's disease. The IOIBD Budesonide Study Group. : Gastroenterology.

MLA

Hellers G, Cortot A, Jewell D, Leijonmarck C E, Löfberg R, Malchow H, Nilsson L G, Pallone F, Pena S, Persson T, Prantera C and Rutgeerts P. Oral budesonide for prevention of postsurgical recurrence in Crohn's disease. The IOIBD Budesonide Study Group. : Gastroenterology. 19990218.