Bruno Monteiro T. Pereira, Guilherme Vieira Meirelles, Carl I. Schulman, Renan Car los Colombari, Arthur S. Magnani, & Gustavo Pereira Fraga. (2015). Landmark Central Venous Catheterization is Effective but Ultrasound Helps Even in Experienced Hands. Emergency Medicine, 1(4), 109–114. https://doi.org/10.17140/EMOJ-1-117