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- [4] DISEASES OF THE UPPER GASTROINTESTINAL-TRACT IN ELDERLY PATIENTS ZEITSCHRIFT FUR GERONTOLOGIE, 1992, 25 (05): : 286 - 288
- [6] NATRIURETIC HORMONE FROM GASTROINTESTINAL-TRACT OR LIVER AUSTRALIAN AND NEW ZEALAND JOURNAL OF MEDICINE, 1975, 5 (04): : 397 - 397
- [8] METASTATIC LESION OF THE LIVER IN TUMORS OF THE GASTROINTESTINAL-TRACT KHIRURGIYA, 1980, (04): : 47 - 50
- [10] ENDOSCOPIC EXAMINATION OF THE UPPER GASTROINTESTINAL-TRACT IN ELDERLY PATIENTS SOVETSKAYA MEDITSINA, 1980, (08): : 46 - 50