title: Conundra of the penumbra and acute stroke imaging.
authors.affiliation: Beth Israel Deaconess Medical Center, Stroke Division, 330 Brookline Avenue, Palmer 127, Boston, MA 02215, USA. mselim@bidmc.harvard.edu
authors.forename: Magdy H
authors.initials: MH
authors.lastname: Selim
authors.forename: Carlos A
authors.initials: CA
authors.lastname: Molina
mesh_terms: D002533:Cerebral Angiography; D005260:Female; D006801:Humans; D018810:Magnetic Resonance Angiography; D008297:Male; D020521:Stroke / Q000000981:diagnostic imaging*; D013997:Time Factors