Pencegahan Kanker Penelitian Marcus Johnson ANDREW DO, BREATH OF HOPE LUNG FOUNDATION, CANCER PREVENTION, CHRISTIAN JOHNSON, GERARD BAQUER, HARVARD MEDICAL SCHOOL, HMS, HPV VACCINE, JO, LUDWIG CENTER, LUNG CANCER RESEARCH FOUNDATION, MEDICINE, NATIONAL CANCER INSTITUTE, NATIONAL INSTITUTES OF GENERAL MEDICAL SCIENCES, NATIONAL INSTITUTES OF HEALTH, NICOLE JONES, NUTRITION, RESEARCH, TOSHIO FUJINO Penelitian Mengidentifikasi Kelemahan pada Pertahanan Kanker Paru-paru