| 摘要 |
Aerosol formulations containing stabilized particles of drug microparticles with a mean size range of 0.1 to 10 microns coated with a membrane-forming amphiphatic lipid and dispersed in 1,1,1,2- tetrafluoroethane (HFA 134a) of 1,1,1,2,3,3,3-heptafluoropropane (HFA 227) propellant.
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