Authors:
Friedman, M
Serby, CW
Menjoge, SS
Wilson, JD
Hilleman, DE
Witek, TJ
Citation: M. Friedman et al., Pharmacoeconomic evaluation of a combination of ipratropium plus albuterolcompared with ipratropium alone and albuterol alone in COPD, CHEST, 115(3), 1999, pp. 635-641