Therapeutic preferences and factors determining the use of inhaled corticosteroids with long-acting β2-agonists in patients with asthma and chronic obstructive pulmonary disease - Olszanecka-Glinianowicz, Magdalena; Chudek, Jerzy; Almgren-Rachtan, Agnieszka (Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii, 2021)