TY  - RPRT
TI  - Combination therapy in asthma--fixed or variable dosing in different patients?
AU  - Jan Lötvall
PY  - 2004
DO  - 10.1185/030079904x3104
UR  - https://pubmed.ncbi.nlm.nih.gov/15537472/
ID  - 15537472
ER  -