Kutzora, S. ., Weber, A. ., Heinze, S. ., Hendrowarsito, L. ., Nennstiel-Ratzel, U. ., von Mutius, E. ., … Study, G. G. (2017). Asthmatic/wheezing phenotypes in preschool children: Influential factors, health care and urban-rural differences. International Journal of Hygiene and Environmental Health. https://doi.org/10.1016/j.ijheh.2017.12.001 (Original work published 2017)
