Hamod, Asma'a Khalaf, Ali Musa Ja'afer, Abdul Kareem Kadim AL- Khazraji, Isra'a Fayiq Ja'afer, and Farqad Badar Hamdan. 2019. “Cardiovascular Autonomic Impairment in Parkinson Disease”. Diyala Journal of Medicine 8 (1):1-7. https://www.djm.uodiyala.edu.iq/index.php/djm/article/view/312.