Pencegahan Kanker Penelitian Ravi Patel CANCER PREVENTION, ERNIE MUNDELL, EXERCISE, HEALTHDAY, HEALTHDAY NEWS, INDIANA UNIVERSITY, INDIANAPOLIS, JOHNS, MEDICINE, MENTAL HEALTH, NORTH AMERICA, REGENSTRIEF INSTITUTE, RESEARCH, SHELLEY JOHNS, SUPPORTIVE CARE IN CANCER, UNITED STATES, WOMEN'S HEALTH Ketakutan Kekambuhan Kanker Payudara Menghantui Wanita Selama Bertahun-tahun