“Comparative Study Between Ultrasound-Guided Closed Pleural Biopsy and Thoracoscopic Pleural Biopsy in Undiagnosed Exudative Pleural Effusions”. Monaldi Archives for Chest Disease 96, no. 2 (March 18, 2025). Accessed August 3, 2026. https://www.monaldi-archives.org/macd/article/view/3361.