Prevalence, risk factors and underdiagnosis of asthma in the general population aged over 60 years - Kuprys-Lipinska, Izabela; Liebhart, Jerzy; Palczynski, Cezary; Lacwik, Piotr; Jonakowski, Mateusz; Kuna, Piotr (Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii, 2019)