Efficacy of Umeclidinium/Vilanterol Versus Umeclidinium or Salmeterol: A Number-Needed to Treat Analysis of the EMAX Trial

Bjermer, LH; Maltais, F; Vogelmeier, C; Naya, I; Jones, P; Tombs, L; Boucot, I; Compton, C; Lipson, DA; Keeley, T; Kerwin, EM

AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE, 2020; 201 ():