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- [6] HELICOBACTER-PYLORI IN PATIENTS WITH NONULCER DYSPEPSIA REVIEWS OF INFECTIOUS DISEASES, 1991, 13 : S696 - S699
- [8] HELICOBACTER-PYLORI PREVALENCE IN NONULCER DYSPEPSIA - ETHNIC AND SOCIOECONOMIC DIFFERENCES SOUTH AFRICAN MEDICAL JOURNAL, 1993, 83 (03): : 169 - 171