TY  - RPRT
TI  - Beta-agonists and bronchial asthma.
AU  - D W Cockcroft
PY  - 1994
DO  - 10.1378/chest.106.1.323a
UR  - https://pubmed.ncbi.nlm.nih.gov/7912662/
ID  - 7912662
ER  -