Vaidakis, D. Moustaki, I. Zervas, I. Barbouni, A. Merakou, K. Chrysi, M.S. Creatsa, G. Panoskaltsis, T., Knowledge of Greek adolescents on human papilloma virus (HPV) and vaccination, Medicine (United States), (96), 2017, Lippincott Williams and Wilkins,