TY  - RPRT
TI  - Asthma inhalation devices: what do we know?
AU  - A J Burton
PY  - 1984
DO  - 10.1136/bmj.288.6431.1650-a
UR  - https://pubmed.ncbi.nlm.nih.gov/6426676/
ID  - 6426676
ER  -