CONCLUSION: Endobronchial ultrasound-guided transbronchial needle aspiration is a quickly mastered technique that offers a safe, minimally invasive, and accurate means to evaluate mediastinal lymph nodes. PMID: 20085864 [PubMed - in process] (Source: Clinical Lung Cancer) Source: MedWorm: Sarcoidosis Stop Suffering the Living Hell of Sarcoidosis With Natural Alternatives and Without Drugs or Surgery