for this purpose the numbers of reports of thromboembolism attributed to each product were compared with the distribution that would have been expected from market research estimates of sales , assuming that all products carried the same risk.a positive correlation was found between the dose of oestrogen and the risk of pulmonary embolism , deep vein thrombosis , cerebral thrombosis , and coronary thrombosis in the united kingdom .
C0040038
thromboembolism
C0014939
oestrogen