Age-related off-label use of nasal corticosteroids for allergies is relatively common in Finnish children with asthma

Age-related off-label use of nasal corticosteroids for allergies is relatively common in Finnish children with asthma Jyrkkä, Johanna; Sonninen, Katja; Martikainen, Jaana E.; Malmström, Kristiina; Mäkelä, Mika J; Sepponen, Kati