PALLIATIVE INTERVENTIONS OF TUMORS OF BILIOPANKREATODUODENAL AREA Article GABOYAN A.S., KLIMOV A.E., FEDOROV A.G., PAUTKIN J.F., MALUGA V.YU., DAVYDOVA S.V., BARKHUDAROV A.A., CHEREPANOVA O.N., MELKUMYAN A.V. Moscow Surgical Journal. ООО «Профиль — 2С». 2011. P. 5-8