論文（英文）
Temperament and character profiles of Japanese university students with depressive episodes and ideas of suicide or self-harm: A PHQ-9 screening study
Mitsui N, Asakura S, Shimizu Y, Fujii Y, Kako Y, Tanaka T, Oba K, Inoue T, Kusumi I. Temperament and character profiles of Japanese university students with depressive episodes and ideas of suicide or self-harm: A PHQ-9 screening study. Compr Psychiatry 2013; 54: 1215-21.