1. The American Cancer Society. Web link: https://www.cancer.org/. Last Access: February, 2020.
2. Learn about breast cancer. Web link: https://www.nationalbreastcancer.org/about-breast-cancer/. Last Access: April, 2020.
3. National Breast and Cervical Cancer Early Detection Program (NBCCEDP). Web link: https://www.cdc.gov/cancer/nbccedp/index.htm. Last Access: April, 2020.
4. National Cancer Institute. Web link: https://www.cancer.gov/types/breast/mammograms-fact-sheet. Last Access: March, 2020.
5. Cancer Financial Assistance Coalition. Web link: https://www.cancerfac.org/. Last Access: April, 2020.