共 50 条
- [22] FAILURE OF ENDOSCOPY TO ESTABLISH A SOURCE FOR UPPER GASTRO-INTESTINAL BLEEDING AMERICAN JOURNAL OF GASTROENTEROLOGY, 1979, 72 (04): : 395 - 402
- [26] RECURRENT GASTRO-INTESTINAL BLEEDING NEW YORK STATE JOURNAL OF MEDICINE, 1979, 79 (08) : 1210 - 1215
- [28] UPPER GASTRO-INTESTINAL ALLERGY INTERNATIONAL ARCHIVES OF ALLERGY AND APPLIED IMMUNOLOGY, 1952, 3 (04): : 340 - 341