| Article ID | Journal | Published Year | Pages | File Type | 
|---|---|---|---|---|
| 1082697 | Journal of Clinical Epidemiology | 2009 | 9 Pages | 
Abstract
												The approach described here presents an analytic and clinical improvement over methods that examine each symptom separately or use summed scores of severity.
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											Authors
												Alla Sikorskii, Charles W. Given, Mei You, Sangchoon Jeon, Barbara A. Given, 
											