For citations:
Patyutko Yu.I., Kotelnikov A.G., Polyakov A.N., Podluzhnyi V.D. Evolution of surgery for pancreatic head and periampullary cancer. Annaly khirurgicheskoy gepatologii = Annals of HPB Surgery. 2019;24(3):45-53. (In Russ.) https://doi.org/10.16931/1995-5464.2019345-53