Effectiveness of beclometasone dipropionate and formoterol in an extrafine particle formulation for asthma therapy depending on patient smoking status: the CASPER noninterventional, observational trial

Izabela Kuprys-Lipinska (  izabela.kuprys-lipinska@umed.lodz.pl ) https://orcid.org/0000-0002-6156-143X Tomasz Debowski Chiesi Poland Sp z o.o. Cezary Palczynski Dept. of Internal Medicine, Asthma and Allergy, Medical University of Lodz Piotr Lacwik Dept. of Internal Medicine, Asthma and Allergy, Medical University of Lodz Piotr Kuna Dept. of Internal Medicine, Asthma and Allergy, Medical University of Lodz