TY - JOUR T1 - The weak connection between venous thromboembolism and air travel JF - Canadian Medical Association Journal JO - CMAJ SP - 1037 LP - 1037 VL - 164 IS - 7 AU - Erica Weir Y1 - 2001/04/03 UR - http://www.cmaj.ca/content/164/7/1037.abstract ER -