The prevalence of complementary and alternative methods and their impact on conventional cancer treatment among oncological patients in Poland – an institutional study - Reszka, Konrad; Moskal, Łukasz; Remiorz, Agata; Walas, Agata; Guzik, Mateusz; Kierbiedź, Natalia; Szewczyk, Krzysztof; Staszek-Szewczyk, Urszula (Medical Studies/Studia Medyczne, 2021)