full free access: Duration and magnitude of the postoperative risk of venous thromboembolism in middle aged women: prospective cohort study

Note: the full access to this publication is available for free; professional comments included CONCLUSION: The risk of deep vein thrombosis and pulmonary embolism after surgery is substantially increased in the first 12 postoperative weeks, and varies considerably by type of surgery.

(World Health Organization) WHO surgical safety checklist and implementation - Patient Safety