R. P. Anne, E. A. Rahiman, and A. S. Aradhya, “Real-time ultrasound for umbilical venous catheter insertion in neonates- a systematic review and meta-analysis”, Ultrasound J, vol. 17, no. 1, p. 4, Jan. 2025, doi: 10.1186/s13089-025-00406-8.