APA

Kahn C. E., Sanders G. D., Lyons E. A., Kostelic J. K., MacEwan D. W. & Gordon W. L. (19930707). Computed tomography for nontraumatic headache: current utilization and cost-effectiveness. : Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes.

Chicago

Kahn C E, Sanders G D, Lyons E A, Kostelic J K, MacEwan D W and Gordon W L. 19930707. Computed tomography for nontraumatic headache: current utilization and cost-effectiveness. : Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes.

Harvard

Kahn C. E., Sanders G. D., Lyons E. A., Kostelic J. K., MacEwan D. W. and Gordon W. L. (19930707). Computed tomography for nontraumatic headache: current utilization and cost-effectiveness. : Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes.

MLA

Kahn C E, Sanders G D, Lyons E A, Kostelic J K, MacEwan D W and Gordon W L. Computed tomography for nontraumatic headache: current utilization and cost-effectiveness. : Canadian Association of Radiologists journal = Journal l'Association canadienne des radiologistes. 19930707.