Suzuki, K., Kumei, S., Ohhira, M., Nozu, T., & Okumura, T. (2015). Screening for Major Depressive Disorder with the Patient Health Questionnaire (PHQ-9 and PHQ-2) in an Outpatient Clinic Staffed by Primary Care Physicians in Japan: A Case Control Study. PLoS One.

Suzuki, Keiko, Shima Kumei, Masumi Ohhira, Tsukasa Nozu, and Toshikatsu Okumura. "Screening for Major Depressive Disorder With the Patient Health Questionnaire (PHQ-9 and PHQ-2) in an Outpatient Clinic Staffed By Primary Care Physicians in Japan: A Case Control Study." PLoS One 2015.

Suzuki, Keiko, et al. "Screening for Major Depressive Disorder With the Patient Health Questionnaire (PHQ-9 and PHQ-2) in an Outpatient Clinic Staffed By Primary Care Physicians in Japan: A Case Control Study." PLoS One 2015.