Seubnuch, Punyaporn, and Prapawan Methakeson. 2022. “A Randomized Controlled Trial of Umbilical Venous Catheterization in Neonates: Comparison Between the Revised Method and the Method of Shukla and Ferrara”. Journal of Nakornping Hospital 13 (1):70-82. https://he01.tci-thaijo.org/index.php/jnkp/article/view/250331.