Ingenol mebutate treatment in actinic keratosis – clinical effectiveness and potential side effects - Lesiak, Aleksandra; Maćkowska, Anna; Bednarski, Igor; Kolano, Paweł; Olejniczak-Staruch, Irmina; Woźniacka, Anna; Sieniawska, Joanna; Narbutt, Joanna (Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii, 2019)