Validation of the Finnish ISAAC questionnaire on asthma against anti-asthmatic medication reimbursement database in 5-year-old children
Nwaru, Bright Ibeabughichi; Lumia, Mirka; Kaila, Minna; Luukkainen, Paivi; Tapanainen, Heli; Erkkola, Maijaliisa; Ahonen, Suvi; Pekkanen, Juha; Klaukka, Timo; Veijola, Riitta; Simell, Olli; Knip, Mikael; Virtanen, Suvi Mirjami (2011)