Mruk, Bartosz, Michal Fraczek, Marek Cias, Piotr Andziak, Jerzy Walecki, and Katarzyna Sklinda. 2019. “MRS of the Brain in Patients With Severe Chronic Stenosis of Carotid Arteries”. Cardiology and Cardiovascular Medicine 3 (5):322-28. https://fortunejournals.org/ojs/index.php/ccm/article/view/15718.