Khalil, Hira, et al. “Comparison Between the Efficacy of in-Plane Vs Out-of-Plane Needle Technique for Ultrasound Guided Intravascular Access”. Medical Journal of South Punjab, vol. 6, no. 3, Sept. 2025, pp. 60-68, https://doi.org/10.61581/mjsp.v6i3.359.