title: Critical care medical patients.
authors.forename: Andrew
authors.initials: A
authors.lastname: Nicolaides
authors.forename: Russell D
authors.initials: RD
authors.lastname: Hull
authors.forename: Jawed
authors.initials: J
authors.lastname: Fareed
mesh_terms: D003422:Critical Care / Q000379:methods*; D006801:Humans; D007362:Intensive Care Units; D015201:Meta-Analysis as Topic; D016032:Randomized Controlled Trials as Topic; D012307:Risk Factors; D020246:Venous Thrombosis / Q000209:etiology* / Q000517:prevention & control*