1. Fink M, Taylor MA. Catatonia: a clinician’s guide to diagnosis and treatment. New York: Cambridge University Press; 2002.
2. Shorter E, Fink M. The madness of fear: a history of catatonia. New York: Oxford University Press; 2018.
3. Shankland S. Why we're obsessed with the mind-blowing ChatGPT AI chatbot. https://www.cnet.com/tech/computing/why-were-all-obsessed-with-the-mind-blowing-chatgpt-ai-chatbot. Accessed 1 Mar 2023.
4. OpenAI. What is ChatGPT? https://help.openai.com/en/articles/6783457-what-is-chatgpt. Accessed 8 Apr 2023.
5. UpToDate. Catatonia, treatment and prognosis. https://www.uptodate.com/contents/catatonia-treatment-and-prognosis. Accessed 3 May 2023.