Howell, Simon J OBTAIN: a study of the occurrence of bleeding and thrombosis during anti-platelet therapy in non-cardiac surgery. [electronic resource] - European journal of anaesthesiology Jun 2011 - 456-9 p. digital Publication Type: Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't; Comment ISSN: 1365-2346 Standard No.: 10.1097/EJA.0b013e328344b4fc doi Subjects--Topical Terms: Anesthesiology--methodsHumansResearch Design