@masterthesis{2867179, title = "Use of PrEP in MSM and observed modification of sexual behaviour in real life settings", authorField = "Κελαποστόλου, Δημήτριος", year = "2019", school = "Βιβλιοθήκη Επιστημών Υγείας, Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών" }