Bigger Role Seen for Breast Cancer Drug

The widely prescribed drug tamoxifen already plays a major role in reducing the
risk of death from breast cancer. But a new study suggests that women should be
taking the drug for twice as long as is now customary, a finding that could
upend the standard that has been in place for about 15 years. [...]
Source:
http://www.ezonearticle.com/2012/12/06/bigger-role-seen-for-breast-cancer-drug/