Computed Tomography for Nontraumatic Headache: Current Utilization and Cost-Effectiveness Breadcrumb All SHP Publications Journal Articles Canadian Association of Radiologists Journal 44 Computed Tomography for Nontraumatic Headache: Current Utilization and Cost-Effectiveness CE Kahn, Gillian D. Sanders, EA Lyons, JK Kostelic, DW MacEwan, WL Gordon June 1, 1993 All SHP Publications