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pubmed:abstractText |
We reported that roflumilast, a phosphodiesterase 4 inhibitor, given orally at 5 mg/kg to mice prevented the development of emphysema in a chronic model of cigarette smoke exposure, while at 1 mg/kg was ineffective. Here we investigated the effects of roflumilast on the volume density (VV) of the inflammatory cells present in the lungs after chronic cigarette smoke exposure.
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