“42. THE STUDY OF ENDOBRONCHIAL ULTRASOUND IN DIAGNOSING MEDIASTINAL LESIONS IN NATIONAL LUNG HOSPITAL, 2021”. Vietnam Journal of Community Medicine, vol. 65, no. CĐ 3 - Bệnh viện Phổi Trung ương, May 2024, https://doi.org/10.52163/yhc.v65iCD3.1139.