Sánchez FA, Nicolino RP, Fiorini F. Endocavitary electrocardiography for the evaluation of the position of the tip of central venous catheters. G Clin Nefrol Dial [Internet]. 2006 Oct. 1 [cited 2025 Apr. 2];18(4):42-6. Available from: https://journals.aboutscience.eu/index.php/gcnd/article/view/1585