Waalkens, H. J., Gerritsen, J., Koëter, G. H., Krouwels, F. H., van Aalderen, W. M., & Knol, K. (1991). Budesonide and terbutaline or terbutaline alone in children with mild asthma: Effects on bronchial hyperresponsiveness and diurnal variation in peak flow.

Waalkens, H J., J. Gerritsen, G H. Koëter, F H. Krouwels, W M. van Aalderen, i K. Knol. Budesonide and Terbutaline or Terbutaline Alone in Children With Mild Asthma: Effects On Bronchial Hyperresponsiveness and Diurnal Variation in Peak Flow. 1991.

Waalkens, H J., et al. Budesonide and Terbutaline or Terbutaline Alone in Children With Mild Asthma: Effects On Bronchial Hyperresponsiveness and Diurnal Variation in Peak Flow. 1991.