title: A modified frontal approach for anterior circle of Willis aneurysms.
authors.forename: A J
authors.initials: AJ
authors.lastname: Kellerman
authors.forename: P I
authors.initials: PI
authors.lastname: Richardson
mesh_terms: D002941:Circle of Willis / Q000503:physiopathology / Q000601:surgery*; D006801:Humans; D002532:Intracranial Aneurysm / Q000503:physiopathology / Q000601:surgery*