1 “... trials and large observational studies. Shorter regimens are less effective, but also decrease the rate...”

2 “... trials and large observational studies. Shorter regimens are less effective, but also decrease the rate...”

3 “...: Randomized controlled trials and observational studies published between December 1999 and February 2005...”

4 “...: Randomized controlled trials and observational studies published between December 1999 and February 2005...”

5

6

7 “...CONTEXT: Breast cancer is the second most common cancer in women in the U.S. and is the second...”