Dildar, Nazia, et al. “Carotid Artery Disease Spectrum on Carotid Doppler Sonography: An Experience at Tertiary Cardiac Care Center”. Pakistan Armed Forces Medical Journal, vol. 73, no. SUPPL-3, Dec. 2023, pp. S532-536, https://doi.org/10.51253/pafmj.v73iSUPPL-3.10704.