@misc{indiciae5d9999a8835f, title = {Direct (transthoracic) endobronchial intubation.}, author = {J J Stevens}, year = {1980}, doi = {10.1097/00000542-198007000-00026}, url = {https://pubmed.ncbi.nlm.nih.gov/7386921/}, note = {Source identifier: 7386921} }