M. C. Lopes, R. de Cleva, B. Zilberstein, and J. J. Gama-Rodrigues, “ Pulmonary artery catheter complications: report on a case of a knot accident and literature review ”, Rev. Hosp. Clín., vol. 59, no. 2, pp. 77–85, Jan. 2004, doi: 10.1590/S0041-87812004000200006.