Pencegahan Kanker Penelitian Sofia Peterson AA, ANA, ANADOLU AGENCY, BILKENT CITY HOSPITAL, CANCER PREVENTION, CHILDREN ' S HOSPITAL, CLINICAL TRIALS, DISEASE PREVENTION, HPV VACCINE, MEDICINE, NE, NERIMAN SARI, RESEARCH, SARI, TURKIYE, TÜRKIYE Keberhasilan Pengobatan Kanker Anak di Türkiye Mencapai 70%