[Perforating ulcer and four years' results of the surgical department of the Kolarovgrad Regional Hospital].
D006801:Humans; D010439:Peptic Ulcer Perforation; D014456:Ulcer
PEPTIC ULCER/perforation
Perforiralata iazva i chetirigodishniiat opit na khirurgichnoto otdelenie na kolarovgradskata okruzhna bolnitsa.