Comment on

• Salmeterol and fluticasone propionate and survival in chronic obstructive pulmonary disease.

  Calverley PM, Anderson JA, Celli B, Ferguson GT, Jenkins C, Jones PW, Yates JC, Vestbo J; TORCH investigators. Calverley PM, et al. N Engl J Med. 2007 Feb 22;356(8):775-89. doi: 10.1056/NEJMoa063070. N Engl J Med. 2007. PMID: 17314337 Clinical Trial.
• Treating COPD--the TORCH trial, P values, and the Dodo.

  Rabe KF. Rabe KF. N Engl J Med. 2007 Feb 22;356(8):851-4. doi: 10.1056/NEJMe068307. N Engl J Med. 2007. PMID: 17314345 No abstract available.