Guo, Xueliang, and Lin Sun. “The Evaluation Value of Intracranial Magnetic Resonance Angiography Combined With Carotid Ultrasound in Cerebral Infarction”. Pakistan Journal of Medical Sciences 40, no. 6 (May 21, 2024). Accessed June 27, 2024. https://pjms.org.pk/index.php/pjms/article/view/9312.