1. Morris BA. President’s commission for the study of ethical problems in medicine and biomedical and behavioral research. Defining death: A report on the medical, legal and ethical issues in determination of death. 1981;67. Available from: https://books.google.com.np/books?hl=en&lr=&id=fd3sFRTejuIC&oi=fnd&pg=PA1&dq=President%E2%80%99s+Commission+for+the+Study+of+Ethical+Problems+in+Medicine+and+Biomedical+and+Behavioral+Research+.+&ots=MiPzBcvk5O&sig=IhGqI8yTuLHj_mQQKP1ubjt1qYg&redir_esc=y#v=onepage&q&f=false
2. Mollaret P, Goulon M. The depassed coma (preliminary memoir). Revista de Neurologia (Paris). 1959;101:13-15. Available from: https://pubmed.ncbi.nlm.nih.gov/14423403/
3. Weyhenmyeye JA, Gallman EA. Rapid Review Neuroscience. 1st ed. Philadelphia: Mosby Elsevier; 2007. pp. 177-179
4. Harding K, Roberts H. In: Chintamani GL, Mrinalini M, editors. Lewis’s Medical Surgical Nursing. Assessment and Management of Clinical Problems. Fourth South Asia ed. Vol. 1. Gurgaon Haryana: Elsevier; 2021. p. 1417
5. Maiese K. Vegetative State. Brain, Spinal Cord and Nerve Disorder. MSD Manual Consumer Version. 2022. Available from: https://www.msdmanuals.com/home/brain,-spinal-cord,-and-nerve-disorders/coma-and-impaired-consciousness/vegetative-state