Video
21:38, 07-Dec-2017
US health officials are starting a study to find out if 3-D mammograms really improve screening for breast cancer. Researchers plan to enroll 165,000 women aged 45 to 74.
[]
Share
Copied
SITEMAP
Copyright © 2018 CGTN. Beijing ICP prepared NO.16065310-3
Copyright © 2018 CGTN. Beijing ICP prepared NO.16065310-3