Kumar, K., A. M. Khuwaja, A. R. Mangi, S. A. Khan, H. Tariq, S. Zaheeruddin, and S. Akhtar. “A Prospective Comparison of Ultrasound Guided Versus Palpation Method for Radial Artery Catheter Placement”. Pakistan Heart Journal, vol. 56, no. 1, Apr. 2023, pp. 28-32, doi:10.47144/phj.v56i1.2414.