The Duration of Oral Anticoagulant Therapy after a Second Episode of Venous ThromboembolismSam Schulman, Jonas Boberg, Enno Loogna et al.|New England Journal of Medicine|1997Cited by 611
Post‐thrombotic syndrome, recurrence, and death 10 years after the first episode of venous thromboembolism treated with warfarin for 6 weeks or 6 monthsSam Schulman, Mats O. Beckman, Barbro Leijd et al.|Journal of Thrombosis and Haemostasis|2006Cited by 507