Schüepp, K., Devadson, S., Roller, C. and Wildhaber, J. 2004. A complementary combination of delivery device and drug formulation for inhalation therapy in preschool children. Swiss Medical Weekly. 134, 1314 (Apr. 2004), 198–198. DOI:https://doi.org/10.4414/smw.2004.10482.