40.Screening for Breast Cancer, Topic Page. July 2010. U.S. Preventive Services Task Force. http://www.uspreventiveservicestaskforce.org/uspstf/uspsbrca.htm
41.Genetic Risk Assessment and BRCA Mutation Testing for Breast and Ovarian Cancer Susceptibility, Topic Page. April 2013. U.S. Preventive Services Task Force. http://www.uspreventiveservicestaskforce.org/uspstf/uspsbrgen.htm
42.Liquid-Based Cytology and Human Papillomavirus Testing to Screen for Cervical Cancer. A Systematic Review for the U.S. Preventive Services Task Force. http://www.uspreventiveservicestaskforce.org/uspstf11/cervcancer/cervcancerupd.htm
43.Aspirin for the Prevention of Cardiovascular Disease, Topic Page. U.S. Preventive Services Task Force. http://www.uspreventiveservicestaskforce.org/uspstf/uspsasmi.htm