Cochrane Clinical Answers - Access Denied - In people with chronic obstructive pulmonary disease, what are the effects of phosphodiesterase 4 inhibitors?

Question:In people with chronic obstructive pulmonary disease, what are the effects of phosphodiesterase 4 inhibitors?

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EXCERPT of full Clinical Answer

This Cochrane Clinical Answer evaluates phosphodiesterase 4 inhibitors in people with chronic obstructive pulmonary disease.