title: The immigrant worker's ulcer.
authors.forename: A
authors.initials: A
authors.lastname: Lonardo
authors.forename: A
authors.initials: A
authors.lastname: Grisendi
authors.forename: M
authors.initials: M
authors.lastname: Frazzoni
authors.forename: G
authors.initials: G
authors.lastname: Della Casa
authors.forename: M
authors.initials: M
authors.lastname: Pulvirenti
authors.forename: L
authors.initials: L
authors.lastname: Melini
mesh_terms: D000328:Adult; D000349:Africa / Q000208:ethnology; D004381:Duodenal Ulcer / Q000209:etiology* / Q000523:psychology; D004641:Emigration and Immigration; D006801:Humans; D007558:Italy; D008297:Male; D010437:Peptic Ulcer / Q000209:etiology* / Q000523:psychology; D013276:Stomach Ulcer / Q000209:etiology* / Q000523:psychology; D013315:Stress, Psychological