• 1
    Kearon C, Gent M, Hirsh J et al. A comparison of three months of anticoagulation with extended anticoagulation after a first episode of idiopathic venous thromboembolism. N Engl J Med 1999; 340: 9017.
  • 2
    Pinede L, Duhaut P, Cucherat M, Ninet J, Pasquier J, Boissel JP. Comparison of long versus short duration of anticoagulant therapy after a first episode of venous thromboembolism: a meta-analysis of randomized controlled trials. J Intern Med 2000; 247: 55362.DOI: 10.1046/j.1365-2796.2000.00631.x
  • 3
    Palareti G, Leati N, Coccheri S et al. for the Italian Study on Complications of Oral Anticoagulant Therapy (ISCOAT). Bleeding complications of oral anticoagulant treatment: an inception- cohort, prospective collaborative study. Lancet 1996; 348: 4238.
  • 4
    Hirsh J. The optimal duration of anticoagulant therapy for venous thrombosis. N Engl J Med 1995; 332: 171011.
  • 5
    Chesterman CN. After a first episode of venous thromboembolism stop anticoagulant treatment after four to six weeks in patients with ‘reversible’ risk factors. BMJ 1995; 311: 7001.