@misc{indiciae6b489e6b4542, title = {Bronchoesophagology.}, author = {F J Putney}, year = {1970}, doi = {10.1001/archotol.1970.04310030083020}, url = {https://pubmed.ncbi.nlm.nih.gov/4324089/}, note = {Source identifier: 4324089} }