Pencegahan Kanker Ines Alvarez ALBERTA CANCER FOUNDATION, ANGUS REID INSTITUTE, BREAST CANCER, CALGARY, CANADA, CANADIAN CANCER SOCIETY, CANCER PREVENTION, CLINICAL TRIALS, EDMONTON, FORT MCMURRAY, HEALTH, HEALTHCARE, KELLY LIEBE, LIE, LIEBE, MEDICINE, NORTH AMERICA Dampak Finansial Kanker Pada Pasien di Kanada