| Glossary of Terms |
| COPD |
| Chronic Obstructive Pulmonary Disease |
| CFCs |
| Chlorofluorocarbons. Stable chemicals containing chlorine and fluorine. They were first developed in the 1920s and are non-toxic, non-flammable and non-corrosive. CFCs have variety of uses including aerosol propellants and are ozone depleting |
| DPIs |
| Dry powder inhalers |
| HFAs |
| Hydrofluoroalcanes. A propellant, developed specifically for use in pharmaceutical industry as an alternative to CFCs in MDIs |
| MDIs |
| Metered dose inhalers. They use a propellant to aerolise the drug formulation for delivery into the lungs |
| Montreal Protocol |
| An international agreement to preserve the stratospheric ozone layer which protects the earth from harmful radiation. In 1987 the Montreal Protocol was signed to meet the requirement on a transition away from CFCs. |
| NLHBI |
| National Lung Health Blood Institute |
| SMI |
| Soft Mist™ Inhaler. A new generation inhaler. Respimat® is the first Soft Mist™ Inhaler. |
| WHO |
| World Health Organisation |
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