Meryem, Echchikhi, El Aoufir Omar, Ech-Chrif El Kettani Najwa, El Hassani Moulay Rachid, Jiddane Mohamed, and Fikri Meriem. “Multiple System Atrophy in MRI: The Typical Cross Sign”. International Journal of Contemporary Research and Review 11, no. 03 (March 11, 2020): 20771–20772. Accessed December 22, 2024. https://ijcrr.info/index.php/ijcrr/article/view/796.