Can Ultrasound Pixel Density Serve as a Non-Invasive Alternative to Thoracentesis in Classifying Pleural Effusions?. Journal of Sharif Medical & Dental College, [S. l.], v. 12, n. 01, p. 8–14, 2026. DOI: 10.66984/jsmdc.v12.i01.oa.02. Disponível em: https://ojs.jsmdc.pk/index.php/jsmdc/article/view/41. Acesso em: 12 jun. 2026.