Optimal cutoff scores of the Chinese version of 15-item negative symptom assessment that indicate prominent negative symptoms of schizophrenia oleh Qi Zhou, Qi Zhou, Qi Zhou, Qi Zhou, Cheng-cheng Pu, Cheng-cheng Pu, Cheng-cheng Pu, Cheng-cheng Pu, Bing-jie Huang, Bing-jie Huang, Bing-jie Huang, Bing-jie Huang, Qi Miao, Tian-hang Zhou, Tian-hang Zhou, Tian-hang Zhou, Tian-hang Zhou, Zhang Cheng, Zhang Cheng, Zhang Cheng, Zhang Cheng, Tian-Qi Gao, Tian-Qi Gao, Tian-Qi Gao, Tian-Qi Gao, Chuan Shi, Chuan Shi, Chuan Shi, Chuan Shi, Xin Yu, Xin Yu, Xin Yu, Xin Yu