Induced sputum supernatant prostaglandin E2 during oral aspirin challenge of asthmatic patients with and without aspirin hypersensitivity and healthy controls ; pilot study

Maria Ignacak-Popiel, Natalia Celejewska-Wójcik, Krzysztof Wójcik, Kinga Sałapa, Ewa Konduracka, Marek Sanak, Katarzyna Tyrak, Krzysztof Sładek, Jacek Musiał, Lucyna Mastalerz