00421nas a2200145   4500000000100000008004100001100001800042700001200060700001400072700001400086700001300100700001200113245014300125490000700268       2000                            d1 aWoodward Mark1 aLowe G.1 aRumley A.1 aVessey M.1 aGough P.1 aDaly E.00aThrombotic variables and risk of idiopathic venous thromboembolism in women aged 45-64 years. Relationships to hormone replacement therapy0 v83