48.Behavioral Counseling to Prevent Skin Cancer, Topic Page. U.S. Preventive Services Task Force. http://www.uspreventiveservicestaskforce.org/uspstf/uspsskco.htm
49.Behavioral Counseling to Prevent Sexually Transmitted Infections, Topic Page. U.S. Preventive Services Task Force. http://www.uspreventiveservicestaskforce.org/uspstf/uspsstds.htm
50.Chemoprevention of Breast Cancer, Topic Page. July 2002. U.S. Preventive Services Task Force. http://www.uspreventiveservicestaskforce.org/uspstf/uspsbrpv.htm
51.Screening for Breast Cancer, Topic Page. July 2010. U.S. Preventive Services Task Force. http://www.uspreventiveservicestaskforce.org/uspstf/uspsbrca.htm