[Various changes in the characteristics of peptic ulcer during the past 20 years (according to the data of therapeutic-preventive institutions of Petrozavodsk)].
Ter Arkh, 1978;50(2):14-7.
PMID: 148114
Impact factor: 0.45
MeSH terms
Adolescent; Adult; Age Factors; Aged; Child; Female; Humans; Male; Middle Aged; Peptic Ulcer; Russia; Sex Ratio; Urban Population
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