bibliographic entry 8022591 [be/8022591]
https://w3id.org/oc/corpus/be/8022591

is a

• bibliographic reference

content

• Rennard, SI, Calverley, PM, Goehring, UM, Bredenbröker, D, Martinez, FJ. Reduction of exacerbations by the PDE4 inhibitor roflumilast –the importance of defining different subsets of patients with COPD, Respir Res, 2011, 12, 18, PMID: 21272339

references

• https://w3id.org/oc/corpus/br/329432