Kelman CW, Kortt MA, Becker NG, Li Z, Mathews JD (2003) Deep vein thrombosis and air travel: Record linkage study. BMJ 327: 1072–1076. et al.
[2]
Ferrari E, Chevallier T, Chapelier A, Baudouy M (1999) Travel as a risk factor for venous thromboembolic disease: A case-control study. Chest 115: 440–444.
[3]
Lapostolle F, Surget V, Borron SW, Desmaizieres M, Sordelet D (2001) Severe pulmonary embolism associated with air travel. N Engl J Med 345: 779–783. et al.
[4]
Schwarz T, Siegert G, Oettler W, Halbritter K, Beyer J (2003) Venous thrombosis after long-haul flights. Arch Intern Med 163: 2759–2764. et al.
[5]
Martinelli I, Taioli E, Battaglioli T, Podda GM, Passamonti SM (2003) Risk of venous thromboembolism after air travel: Interaction with thrombophilia and oral contraceptives. Arch Intern Med 163: 2771–2774. et al.
[6]
White RH (2003) The epidemiology of venous thromboembolism. Circulation 107(Suppl 1): I4–I8.
[7]
Hughes RJ, Hopkins RJ, Hill S, Weatherall M, Van de Water N (2003) Frequency of venous thromboembolism in low to moderate risk long distance air travellers: The New Zealand Air Traveller's Thrombosis (NZATT) study. Lancet 362: 2039–2044. et al.
[8]
Cesarone MR, Belcaro G, Nicolaides AN, Incandela L, De S (2002) Venous thrombosis from air travel: The LONFLIT3 study—Prevention with aspirin vs low-molecular-weight heparin (LMWH) in high-risk subjects: A randomized trial. Angiology 53: 1–6. et al.
[9]
Chee YL, Watson HG (2005) Air travel and thrombosis. Br J Haematol 130: 671–680.
[10]
Cannegieter SC, Doggen CJM, van Houwelingen JC, Rosendaal FR (2006) Travel-related venous thrombosis: Results from a large population-based case control study (MEGA Study). PLoS Med 3: e307. DOI: 10.1371/journal.pmed.0030307.
[11]
Blom JW, Doggen CJM, Osanto S, Rosendaal FR (2005) Malignancies, prothrombotic mutations and the risk of venous thrombosis: Results of the MEGA study. JAMA 293: 715–722.
[12]
Rothman KJ, Greenland S (1998) Matching. Modern epidemiology. 2nd edition. Philadelphia: Lippincott Williams & Wilkins. pp. 147–162. pp.
[13]
Khoury MJ, Flanders WD (1996) Nontraditional epidemiologic approaches in the analysis of gene environment interaction: Case-control studies with no controls!. Am J Epidemiol 144: 207–213.
[14]
Ahlbom A, Alfredsson L (2005) Interaction: A word with two meanings creates confusion. Eur J Epidemiol 20: 563–564.
