Comparative effectiveness of azithromycin versus roflumilast in patients with chronic obstructive pulmonary disease: emulated target trial

Portela GT, Wang SV, Suissa S, Schneeweiss S, Feldman WB. Comparative effectiveness of azithromycin versus roflumilast in patients with chronic obstructive pulmonary disease: emulated target trial. BMJ. 2026 Aug 5;394:e100111. doi: 10.1136/bmj-2026-100111. PMID: 42556860.


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