Campbell, D. G., Felker, B. L., Liu, C., Yano, E. M., Kirchner, J. E., Chan, D., . . . Chaney, E. F. (2007). Prevalence of Depression–PTSD Comorbidity: Implications for Clinical Practice Guidelines and Primary Care-based Interventions. Springer-Verlag.

Campbell, Duncan G., Bradford L. Felker, Chuan-Fen Liu, Elizabeth M. Yano, JoAnn E. Kirchner, Domin Chan, Lisa V. Rubenstein, και Edmund F. Chaney. Prevalence of Depression–PTSD Comorbidity: Implications for Clinical Practice Guidelines and Primary Care-based Interventions. Springer-Verlag, 2007.

Campbell, Duncan G., et al. Prevalence of Depression–PTSD Comorbidity: Implications for Clinical Practice Guidelines and Primary Care-based Interventions. Springer-Verlag, 2007.