@misc{indiciaea918bedf7069, title = {Preoperative pulmonary function testing.}, author = {M D Hayhurst}, year = {1993}, doi = {10.1016/0954-6111(93)90085-e}, url = {https://pubmed.ncbi.nlm.nih.gov/8497693/}, note = {Source identifier: 8497693} }