Shin, C., Lee, S., Han, K., Yoon, H., & Han, C. (2019). Comparison of the Usefulness of the PHQ-8 and PHQ-9 for Screening for Major Depressive Disorder: Analysis of Psychiatric Outpatient Data. Psychiatry Investig.

Shin, Cheolmin, Seung-Hoon Lee, Kyu-Man Han, Ho-Kyoung Yoon, و Changsu Han. "Comparison of the Usefulness of the PHQ-8 and PHQ-9 for Screening for Major Depressive Disorder: Analysis of Psychiatric Outpatient Data." Psychiatry Investig 2019.

Shin, Cheolmin, et al. "Comparison of the Usefulness of the PHQ-8 and PHQ-9 for Screening for Major Depressive Disorder: Analysis of Psychiatric Outpatient Data." Psychiatry Investig 2019.