Author's response to letter on number needed to treat in COPD: exacerbations versus pneumonias.
Samy
S
Suissa
D000893:Anti-Inflammatory Agents / Q000627:therapeutic use*; D006801:Humans; D011014:Pneumonia / Q000188:drug therapy* / Q000453:epidemiology*; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy* / Q000453:epidemiology*
D000893:Anti-Inflammatory Agents
COPD epidemiology