title: Recurrence after unprovoked venous thromboembolism.
authors.forename: Frederick A
authors.initials: FA
authors.lastname: Spencer
authors.forename: Jeffrey S
authors.initials: JS
authors.lastname: Ginberg
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D012008:Recurrence; D012307:Risk Factors; D012737:Sex Factors; D054556:Venous Thromboembolism / Q000209:etiology*