Authors: Zetterstrom, O Buhl, R Mellem, H Perpina, M Hedman, J O'Neill, S Ekstrom, T

Citation: O. Zetterstrom et al., Improved asthma control with budesonide/formoterol in a single inhaler, compared with budesonide alone, EUR RESP J, 18(2), 2001, pp. 262-268