![Comparison of Treatment Delivery Methods with Combination Albuterol and Ipratropium MDI versus (1)Premixed UD Albuterol with Ipratropium and MDI versus (2)Concomitant Use of Nebulizer Morning and Night with MDI During Day and Evening]()
Comparison of Treatment Delivery Methods with Combination Albuterol and Ipratropium MDI versus (1)Premixed UD Albuterol with Ipratropium and MDI versus (2)Concomitant Use of Nebulizer Morning and Night with MDI During Day and EveningTashkin, Donald; ZuWallack, Richard; Ramsdell, Joe W.; Klein, Gerald; Chaudry, Imtiaz; Wong, Laura; Colman, Shoshana S. · Chest · 2004