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Paper published by Dr Pertti Happonen:


Original Research

Inspiratory flows through dry powder inhaler in chronic obstructive pulmonary disease: age and gender rather than severity matters

L Pekka Malmberg, Paula Rytilä, Pertti Happonen, et al

International Journal of Chronic Obstructive Pulmonary Disease 2010, 5:257-262

Published Date: 4 August 2010