Felker, B. L., Hedrick, S. C., Chaney, E. F., Liu, C., Heagerty, P., Caples, H., . . . Katon, W. (2003). Identifying Depressed Patients With a High Risk of Comorbid Anxiety in Primary Care. Physicians Postgraduate Press, Inc.

Felker, Bradford L., Susan C. Hedrick, Edmund F. Chaney, Chuan-Fen Liu, Patrick Heagerty, Heather Caples, Patricia Lin, ja Wayne Katon. Identifying Depressed Patients With a High Risk of Comorbid Anxiety in Primary Care. Physicians Postgraduate Press, Inc, 2003.

Felker, Bradford L., et al. Identifying Depressed Patients With a High Risk of Comorbid Anxiety in Primary Care. Physicians Postgraduate Press, Inc, 2003.