Exosomes from HPV-positive and HPV-negative HNC cell lines: novel option as liquid biomarker? - Ludwig, S; Pietrowska, M; Marczak, L; Abramowicz, A; Gawin, M; Sharma, P; Theodoraki, MN; Lang, S; Widlak, P; Whiteside, T (Laryngo-Rhino-Otologie, 2018)