prov:value
| - Additional components of HFA formulations for MDI administration include co-solvents, such as ethanol or pentane, and surfactants, such as sorbitan trioleate, oleic acid, lecithin, and glycerin. (See, for example, U.S. Pat. No. 5,225,183, EP 0717987 A2, and WO 92/22286.)
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