JAMA. The Journal of the American Medical Association Vol. 299 . Núm. 18
Originales
Berg WA, Blume JD, Cormack JB, Mendelson EB, Lehrer D, Böhm-Vélez M et al for the ACRIN 6666 Investigators. Combined Screening With Ultrasound and Mammography vs Mammography Alone in Women at Elevated Risk of Breast Cancer. Págs. 2151-2163 
Conclusions:
Adding a single screening ultrasound to mammography will yield an additional 1.1 to 7.2 cancers per 1000 high-risk women, but it will also substantially increase the number of false positives.
Link al pdf: http://jama.ama-assn.org/cgi/reprint/299/18/2151
