Herpes simplex virus and duodenal ulceration.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000914:Antibodies, Viral / Q000032:analysis; D004381:Duodenal Ulcer / Q000209:etiology*; D005260:Female; D006561:Herpes Simplex; D006801:Humans; D008297:Male; D008875:Middle Aged
D000914:Antibodies, Viral