@misc{indiciaeeca3d6d9fd47, title = {A discriminant analysis applied to methacholine bronchoprovocation testing improves classification of patients as normal, asthma, or COPD.}, author = {L W Greenspon and E Gracely}, year = {1992}, doi = {10.1378/chest.102.5.1419}, url = {https://pubmed.ncbi.nlm.nih.gov/1424862/}, note = {Source identifier: 1424862} }