CARVALHAIS, Carlos, Célia RODRIGUES, Ana XAVIER, Manuela V. SILVA, and Joana SANTOS. “The Impact of Structural Changes on Sound Pressure Levels in a Neonatal Intensive Care Unit”. Archives of Acoustics 46, no. 3 (September 30, 2021): 435–442. Accessed April 18, 2026. http://acoustics.ippt.gov.pl/index.php/aa/article/view/2809.