Analysis of the survival of patients receiving systemic treatment for melanoma of the skin: a retrospective population study with patients treated in Poland in 2011–2015 - Brzozowska, Melania; Wierzba, Waldemar; Śliwczyński, Andrzej; Majkut, Gabriela; Jacyna, Andrzej; Orlewska, Ewa; Potemski, Piotr; Marczak, Michał (Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii, 2019)