@misc{indiciae2c4ad82c77bc, title = {Reference equations used to predict pulmonary function. Survey at institutions with respiratory disease training programs in the United States and Canada.}, author = {A J Ghio and R O Crapo and C G Elliott}, year = {1990}, doi = {10.1378/chest.97.2.400}, url = {https://pubmed.ncbi.nlm.nih.gov/2298065/}, note = {Source identifier: 2298065} }