Diagnostic yield of different ultrasound-guided biopsy procedures in mediastinal lymphadenopathy: an accessibility-based triage pathway. - Abdulnaby, Nasser Keshar; Kamel, Khaled Mahmoud; M. Ashur, Wafaa; Abd El-Naiem, Samah Selim; El-Naiem, Abd; M. Farrag, Sarah (Egyptian Journal of Bronchology, 2026)