@misc{indiciae475e4ac97569, title = {Fiberoptic bronchoscopy for refractory cough.}, author = {R P Sen and T E Walsh}, year = {1991}, doi = {10.1378/chest.99.1.33}, url = {https://pubmed.ncbi.nlm.nih.gov/1984981/}, note = {Source identifier: 1984981} }