Van Spreeuwel, J. P., Lindeman, J., Van der Wal, A., Weterman, I., Kreuning, J., & Meijer, C. (1982). Morphological and immunohistochemical findings in upper gastrointestinal biopsies of patients with Crohn's disease of the ileum and colon.

Van Spreeuwel, J P., J. Lindeman, A. Van der Wal, I. Weterman, J. Kreuning, und C. Meijer. Morphological and Immunohistochemical Findings in Upper Gastrointestinal Biopsies of Patients With Crohn's Disease of the Ileum and Colon. 1982.

Van Spreeuwel, J P., et al. Morphological and Immunohistochemical Findings in Upper Gastrointestinal Biopsies of Patients With Crohn's Disease of the Ileum and Colon. 1982.