Kahn, C E <br/><br/>
Computed tomography for nontraumatic headache: current utilization and cost-effectiveness.  [electronic resource] 

 -  Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes  Jun 1993 
 - 189-93 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0846-5371 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Aged<br/>Aged, 80 and over<br/>Brain--diagnostic imaging<br/>Costs and Cost Analysis<br/>Female<br/>Headache--diagnostic imaging<br/>Humans<br/>Male<br/>Middle Aged<br/>Retrospective Studies<br/>Tomography, X-Ray Computed--economics