title: Guidance, guidelines, and communications.
authors.affiliation: Department of Medicine and Thrombosis and Atherosclerosis Research Institute, McMaster University, Hamilton, ON, Canada.
authors.forename: J D
authors.initials: JD
authors.lastname: Douketis
authors.forename: J I
authors.initials: JI
authors.lastname: Weitz
mesh_terms: D002309:Cardiology / Q000592:standards*; D006801:Humans; D009369:Neoplasms / Q000150:complications*; D054556:Venous Thromboembolism / Q000517:prevention & control*