TY  - RPRT
TI  - Matching inhalers and spacer devices.
AU  - G K Crompton
AU  - K Prowse
PY  - 1994
DO  - 10.1136/bmj.309.6968.1584a
UR  - https://pubmed.ncbi.nlm.nih.gov/7819921/
ID  - 7819921
ER  -