LEANDER MAI, LAMPA ERIK, JANSON CHRISTER, SVÄRDSUDD KURT, UDDENFELDT MONICA, and RASK-ANDERSEN ANNA. 2011. “Determinants for a Low Health-Related Quality of Life in Asthmatics”. Upsala Journal of Medical Sciences 117 (1):57–66. https://doi.org/10.3109/03009734.2011.638730.