[ULCER DISEASES OF THE STOMACH AND DUODENUM AMONG THE EMPLOYEES OF A LARGE URBAN TRANSPORT COMPANY].
D004381:Duodenal Ulcer; D004386:Duodenum; D005743:Gastrectomy; D009784:Occupational Diseases; D010437:Peptic Ulcer; D013223:Statistics as Topic; D013276:Stomach Ulcer; D014456:Ulcer
DUODENAL ULCER; GASTRECTOMY; OCCUPATIONAL DISEASES; STATISTICS; STOMACH ULCER
LA MALATTIA ULCEROSA DELLO STOMACO E DEL DUODENO TRA I DIPENDENTI DI UNA GRANDE AZIENDA DI TRASPORTI URBANI.