Christofel, Helen Katharine, Joselene Gomes Madeiras, Sonia Maria Marques Gomes Bertolini, and Juliana Maria de Oliveira. “Noise Level Analysis in Adult Intensive Care Unit”. Rev Rene 17, no. 4 (August 4, 2016): 553–560. Accessed February 23, 2025. http://200.129.40.241/rene/article/view/4959.