title: FDA investigates the safety of brain perfusion CT.
authors.forename: M
authors.initials: M
authors.lastname: Wintermark
authors.forename: M H
authors.initials: MH
authors.lastname: Lev
mesh_terms: D002560:Cerebrovascular Circulation; D006801:Humans; D011829:Radiation Dosage; D012449:Safety; D014057:Tomography, X-Ray Computed / Q000009:adverse effects*; D014481:United States; D014486:United States Food and Drug Administration