bibliographic entry 433512 [be/433512]
https://w3id.org/oc/corpus/be/433512

is a

• bibliographic reference

content

• Gibson, PG, Simpson, JL. The overlap syndrome of asthma and COPD: what are its features and how important is it, Thorax, 2009, 64, 8, 728, 735, PMID: 19638566

references

• https://w3id.org/oc/corpus/br/724415