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New Findings on Breast Cancer Drug Tamoxifen

ABC News' Dr. Richard Besser weighs in on study that shows reduced chance of disease reoccurrence.
01:48 | 12/05/2012

Transcript for New Findings on Breast Cancer Drug Tamoxifen

And now, we move onto the other big headline. The millimeters of americans battling breast cancer, getting this news. A new study saying a popular drug used to keep the disease from coming back should... See More
This transcript has been automatically generated and may not be 100% accurate.
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