Ayapaneni, D. R. ., S. . Srikonda, K. T. Nerella, and L. P. Reddy. “Anatomical variations of posterior inferior cerebellar artery (PICA) on digital subtraction angiography (DSA)”. Radiography Open, vol. 7, no. 1, Dec. 2021, pp. 54-60, doi:10.7577/radopen.4490.