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BACKGROUND Osteoporosis, the most common extra-pulmonary complication of chronic obstructive pulmonary disease (COPD), may be related to general causes or COPD-specific causes such as low forced(More)
BACKGROUND AND OBJECTIVE Some studies show a decline of FEV(1) only one month after withdrawal of inhaled corticosteroids (ICS), while others show no decline. We speculate that the presence of an(More)