bibliographic entry 12475157 [be/12475157]
https://w3id.org/oc/corpus/be/12475157

is a

• bibliographic reference

content

• Mullerova, H, Chigbo, C, Hagan, GW, et al. The natural history of community-acquired pneumonia in COPD patients: a population database analysis. Respir Med 2012; 106: 1124–33. doi:10.1016/j.rmed.2012.04.008 PMID: 22621820

references

• https://w3id.org/oc/corpus/br/1693471