Authors:
SIPPONEN P
HELSKE T
JARVINEN P
HYVARINEN H
SEPPALA K
SIURALA M
Citation: P. Sipponen et al., FALL IN THE PREVALENCE OF CHRONIC GASTRITIS OVER 15 YEARS - ANALYSIS OF OUTPATIENT SERIES IN FINLAND FROM 1977, 1985, AND 1992, Gut, 35(9), 1994, pp. 1167-1171