PREVALENCE OF HELICOBACTER-PYLORI INFECTION IN SCHOOL-CHILDREN IN COUNTRIES WITH HIGH AND LOW SOCIOECONOMIC-STATUS AND DIFFERENT TRENDS IN INCIDENCE OF GASTRIC-CANCER
F. Perri et al., PREVALENCE OF HELICOBACTER-PYLORI INFECTION IN SCHOOL-CHILDREN IN COUNTRIES WITH HIGH AND LOW SOCIOECONOMIC-STATUS AND DIFFERENT TRENDS IN INCIDENCE OF GASTRIC-CANCER, Gastroenterology, 108(4), 1995, pp. 190-190