title: A 45-second CT perfusion protocol for rectal cancers may not be adequate to infer vascular permeability--surface area products.
authors.forename: Mannudeep K
authors.initials: MK
authors.lastname: Kalra
authors.forename: William C
authors.initials: WC
authors.lastname: Small
authors.forename: William E
authors.initials: WE
authors.lastname: Torres
mesh_terms: D006801:Humans; D012004:Rectal Neoplasms / Q000098:blood supply / Q000000981:diagnostic imaging*; D013997:Time Factors; D014057:Tomography, X-Ray Computed / Q000379:methods