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- [1] COURSE OF PREGNANCY IN CROHNS-DISEASE AND ULCERATIVE-COLITIS ZEITSCHRIFT FUR GASTROENTEROLOGIE, 1976, 14 : 260 - 260
- [3] DIAGNOSIS OF EARLY CROHNS-DISEASE OF THE COLON AND ULCERATIVE-COLITIS PRACTICAL GASTROENTEROLOGY, 1982, 6 (01): : 26 - 31