title: [1st National Conference on surgery of the pancreas, Sofia, 17-18 October 1981].
mesh_terms: D006801:Humans; D010179:Pancreas / Q000601:surgery*
vernacular_title: Purva Natsionalna Konferentsiia na zadstomashnata zheleza, sustoiala se v Sofiia na 17 i 18 oktumbri 1981 g.