Patelis A., Dosanjh A., Gunnbjörnsdottir M., Borres M. P., Högman M., Alving K., Janson C., and Malinovschi A. “New Data Analysis in a Population Study Raises the Hypothesis That Particle Size Contributes to the Pro-Asthmatic Potential of Small Pet Animal Allergens”. Upsala Journal of Medical Sciences, vol. 121, no. 1, Nov. 2015, pp. 25–32, doi:10.3109/03009734.2015.1109569.