Efficacy and safety of ipratropium bromide/albuterol compared with albuterol in patients with moderate-to-severe asthma: a randomized controlled trial

por Donohue, James F., Wise, Robert, Busse, William W., Garfinkel, Sandra, Zubek, Valentina B., Ghafouri, Mo, Manuel, Raymond C., Schlenker-Herceg, Rozsa, Bleecker, Eugene R.
Publicado 2016