Liu, X., Liu, X., Sun, J., Yu, N. X., Sun, B., Li, Q., & Zhu, T. (2019). Proactive Suicide Prevention Online (PSPO): Machine Identification and Crisis Management for Chinese Social Media Users With Suicidal Thoughts and Behaviors. J Med Internet Res.

Liu, Xingyun, Xiaoqian Liu, Jiumo Sun, Nancy Xiaonan Yu, Bingli Sun, Qing Li, and Tingshao Zhu. "Proactive Suicide Prevention Online (PSPO): Machine Identification and Crisis Management for Chinese Social Media Users With Suicidal Thoughts and Behaviors." J Med Internet Res 2019.

Liu, Xingyun, et al. "Proactive Suicide Prevention Online (PSPO): Machine Identification and Crisis Management for Chinese Social Media Users With Suicidal Thoughts and Behaviors." J Med Internet Res 2019.