Media type: E-Article Title: Inhaled drugs and global warming: time to shift to dry powder inhalers: Propellants in metered dose inhalers are powerful greenhouse gases Contributor: Hillman, Toby; Mortimer, Frances; Hopkinson, Nicholas S imprint: BMJ Publishing Group, 2013 Published in: BMJ: British Medical Journal Language: English ISSN: 0959-8138; 1756-1833 Keywords: EDITORIALS Origination: Footnote: