PubMed:: (caroti*[tiab] AND (stenos*[tiab] OR plaque*[tiab] OR atheroscleros*[tiab] OR arterioscleros*[tiab])) OR "Carotid Stenosis"[Mesh];; Embase.com:: 'carotid artery obstruction'/exp OR 'carotid atherosclerosis'/exp OR (caroti*:ab,ti AND (stenos*:ab,ti OR stenot*:ab,ti OR plaque*:ab,ti OR atheroscleros*:ab,ti OR arterioscleros*:ab,ti))