REFERENCES
- Rubio CA, Kock Y. Scand J Gastroenterol 1981, 16, 731–735
- Rubio CA, Johansson C, Kock Y. Scand J Gastroenterol 1982, 17, 1077–1081
- Rubio CA, Johansson C, Kock Y. Scand J Gastroenterol 1982, 17, 1083–1087
- Ridell RH. In: The gastrointestinal tract. Williams & Wilkins, Baltimore, 1975. (International Academy of Pathology Monograph 18)
- Rubio CA, Nylander G, Johansson C, Slezak P. Acta Pathol Microbiol Scand [A] 1982, 90, 277–282
- Morson BC. In: Kirschner JB, Shorter G, eds. Inflammatory bowel disease. Lea & Febiger, Philadelphia, 1975, 167–181