TY  - RPRT
TI  - A discriminant analysis applied to methacholine bronchoprovocation testing improves classification of patients as normal, asthma, or COPD.
AU  - L W Greenspon
AU  - E Gracely
PY  - 1992
DO  - 10.1378/chest.102.5.1419
UR  - https://pubmed.ncbi.nlm.nih.gov/1424862/
ID  - 1424862
ER  -