Borst, H G Cardiac surgery beyond the Urals. [electronic resource] - European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery Sep 1998 - 223-8 p. digital Publication Type: Editorial; Review ISSN: 1010-7940 Standard No.: 10.1016/s1010-7940(98)00209-7 doi Subjects--Topical Terms: Cardiac Surgical Procedures--methodsHumansRetrospective StudiesSiberiaThoracic Surgery--economics