TY  - RPRT
TI  - Long-acting beta 2-agonists.
AU  - A E Tattersfield
PY  - 1992
DO  - 10.1111/j.1365-2222.1992.tb00175.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1356604/
ID  - 1356604
ER  -