Seasonal variation in deep vein thrombosis

Abstract
# Fatal pulmonary embolism is increased in both autumn and winter {#article-title-2} EDITOR,—Henri Bounameaux and colleagues state that “two previous reports…suggested an increased incidence in winter of fatal pulmonary embolism…but the conclusions were derived from small numbers.”1 In fact, however, there have been at least 23 reports,2 3 4 5 …