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APA Citation
Ryttberg, L., Diamantopoulos, A., Forster, F., Lees, M., Fraschke, A., & Björholt, I. (2011). cost–effectiveness of rivaroxaban versus heparins for prevention of venous thromboembolism after total hip or knee surgery in Sweden. Expert review of pharmacoeconomics & outcomes research, 11, 601–615. http://access.bl.uk/ark:/81055/vdc_100125142180.0x000006