Reply to Linghu

Endoscopy 2012; 44(04): 439
DOI: 10.1055/s-0031-1291691

Letters to the editor

A. Fritscher-Ravens

References
1 Fritscher-Ravens A, Ghanbari A, Topalidis T et al. Granulomatous mediastinal adenopathy: can endoscopic ultrasound-guided fine-needle aspiration differentiate between tuberculosis and sarcoidosis?. Endoscopy 2011; 43: 955-961
2 Costabel U, Hunninghake GW. Sarcoidosis Statement Committee. ATS/ERS/WASOG statement on sarcoidosis. Eur Respir J 1999; 14: 735-737