PubMed:23695265
Annnotations
PCI_RCT
{"project":"PCI_RCT","denotations":[{"id":"T1","span":{"begin":26,"end":44},"obj":"DP"},{"id":"T2","span":{"begin":0,"end":8},"obj":"CI"}],"text":"Steroids for treatment of COPD exacerbations: less is clearly more.\n"}