00483nas a2200157   4500000000100000000000100001008004100002100001700043700001200060700001500072700001200087245019500099300001100294490000600305022001400311       2013                            d1 aAbdul Sultan1 aL. Tata1 aM. Grainge1 aJ. West00aThe incidence of first venous thromboembolism in and around pregnancy using linked primary and secondary care data: a population based cohort study from England and comparative meta-analysis  ae703100 v8  a1932-6203